/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe012_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 14:53:04,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 14:53:04,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 14:53:04,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-01 14:53:04,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-01 14:53:04,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-01 14:53:04,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-01 14:53:04,779 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-01 14:53:04,794 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 14:53:04,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 14:53:04,795 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 14:53:04,795 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 14:53:04,796 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 14:53:04,796 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 14:53:04,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 14:53:04,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 14:53:04,796 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 14:53:04,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 14:53:04,797 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 14:53:04,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 14:53:04,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 14:53:04,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 14:53:04,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 14:53:04,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 14:53:04,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 14:53:04,797 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 14:53:04,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 14:53:04,798 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 14:53:04,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 14:53:04,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 14:53:04,798 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 14:53:04,798 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 14:53:04,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 14:53:04,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 14:53:04,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 14:53:04,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 14:53:04,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 14:53:04,799 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 14:53:04,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 14:53:04,799 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 14:53:04,799 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 14:53:04,799 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-01 14:53:04,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 14:53:05,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 14:53:05,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 14:53:05,017 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 14:53:05,018 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 14:53:05,019 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe012_tso.i [2022-03-01 14:53:05,079 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb6a04e12/c0fb9c65ae0c45c9a3f1106f6129cb58/FLAG33a4ebef5 [2022-03-01 14:53:05,429 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 14:53:05,430 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe012_tso.i [2022-03-01 14:53:05,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb6a04e12/c0fb9c65ae0c45c9a3f1106f6129cb58/FLAG33a4ebef5 [2022-03-01 14:53:05,830 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb6a04e12/c0fb9c65ae0c45c9a3f1106f6129cb58 [2022-03-01 14:53:05,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 14:53:05,832 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 14:53:05,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 14:53:05,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 14:53:05,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 14:53:05,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 02:53:05" (1/1) ... [2022-03-01 14:53:05,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@301bb2c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:53:05, skipping insertion in model container [2022-03-01 14:53:05,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 02:53:05" (1/1) ... [2022-03-01 14:53:05,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 14:53:05,883 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 14:53:06,016 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe012_tso.i[945,958] [2022-03-01 14:53:06,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 14:53:06,157 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 14:53:06,166 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe012_tso.i[945,958] [2022-03-01 14:53:06,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 14:53:06,230 INFO L208 MainTranslator]: Completed translation [2022-03-01 14:53:06,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:53:06 WrapperNode [2022-03-01 14:53:06,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 14:53:06,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 14:53:06,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 14:53:06,232 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 14:53:06,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:53:06" (1/1) ... [2022-03-01 14:53:06,262 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:53:06" (1/1) ... [2022-03-01 14:53:06,277 INFO L137 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2022-03-01 14:53:06,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 14:53:06,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 14:53:06,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 14:53:06,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 14:53:06,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:53:06" (1/1) ... [2022-03-01 14:53:06,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:53:06" (1/1) ... [2022-03-01 14:53:06,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:53:06" (1/1) ... [2022-03-01 14:53:06,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:53:06" (1/1) ... [2022-03-01 14:53:06,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:53:06" (1/1) ... [2022-03-01 14:53:06,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:53:06" (1/1) ... [2022-03-01 14:53:06,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:53:06" (1/1) ... [2022-03-01 14:53:06,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 14:53:06,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 14:53:06,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 14:53:06,303 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 14:53:06,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:53:06" (1/1) ... [2022-03-01 14:53:06,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 14:53:06,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 14:53:06,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-01 14:53:06,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-01 14:53:06,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 14:53:06,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-01 14:53:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-01 14:53:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 14:53:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 14:53:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-03-01 14:53:06,367 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-03-01 14:53:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-03-01 14:53:06,367 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-03-01 14:53:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-03-01 14:53:06,367 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-03-01 14:53:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-01 14:53:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-01 14:53:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 14:53:06,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 14:53:06,369 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 14:53:06,471 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 14:53:06,472 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 14:53:06,622 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 14:53:06,627 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 14:53:06,627 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-01 14:53:06,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 02:53:06 BoogieIcfgContainer [2022-03-01 14:53:06,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 14:53:06,629 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 14:53:06,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 14:53:06,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 14:53:06,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 02:53:05" (1/3) ... [2022-03-01 14:53:06,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df4d544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 02:53:06, skipping insertion in model container [2022-03-01 14:53:06,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 02:53:06" (2/3) ... [2022-03-01 14:53:06,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df4d544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 02:53:06, skipping insertion in model container [2022-03-01 14:53:06,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 02:53:06" (3/3) ... [2022-03-01 14:53:06,634 INFO L111 eAbstractionObserver]: Analyzing ICFG safe012_tso.i [2022-03-01 14:53:06,637 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 14:53:06,637 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 14:53:06,637 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-01 14:53:06,638 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 14:53:06,657 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,657 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,658 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,658 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,658 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,658 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,658 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,658 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,658 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,659 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,659 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,659 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,659 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,659 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,659 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,659 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,660 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,660 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,660 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,660 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,660 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,660 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,660 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,660 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,661 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,661 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,661 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,661 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,661 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,661 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,661 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,661 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,662 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,662 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,662 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,662 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,664 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,664 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,664 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,664 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,666 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,666 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,666 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,666 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,667 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,667 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,667 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,667 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 14:53:06,667 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-01 14:53:06,693 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 14:53:06,697 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-01 14:53:06,697 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-01 14:53:06,704 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 101 places, 93 transitions, 201 flow [2022-03-01 14:53:06,943 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 6592 states, 6591 states have (on average 3.5044758003337884) internal successors, (23098), 6591 states have internal predecessors, (23098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:53:06,957 INFO L276 IsEmpty]: Start isEmpty. Operand has 6592 states, 6591 states have (on average 3.5044758003337884) internal successors, (23098), 6591 states have internal predecessors, (23098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:53:07,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-03-01 14:53:07,004 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:53:07,005 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:53:07,005 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 14:53:07,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:53:07,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1681563862, now seen corresponding path program 1 times [2022-03-01 14:53:07,017 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:53:07,017 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163587348] [2022-03-01 14:53:07,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:53:07,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:53:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:53:07,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:53:07,359 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:53:07,360 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163587348] [2022-03-01 14:53:07,360 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163587348] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:53:07,360 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:53:07,360 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-01 14:53:07,362 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083574179] [2022-03-01 14:53:07,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:53:07,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 14:53:07,367 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:53:07,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 14:53:07,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-01 14:53:07,412 INFO L87 Difference]: Start difference. First operand has 6592 states, 6591 states have (on average 3.5044758003337884) internal successors, (23098), 6591 states have internal predecessors, (23098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:53:07,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:53:07,682 INFO L93 Difference]: Finished difference Result 8111 states and 27809 transitions. [2022-03-01 14:53:07,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 14:53:07,684 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2022-03-01 14:53:07,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:53:07,741 INFO L225 Difference]: With dead ends: 8111 [2022-03-01 14:53:07,742 INFO L226 Difference]: Without dead ends: 6053 [2022-03-01 14:53:07,744 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-03-01 14:53:07,749 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 106 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 14:53:07,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 481 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 14:53:07,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6053 states. [2022-03-01 14:53:07,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6053 to 6053. [2022-03-01 14:53:08,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6053 states, 6052 states have (on average 3.432584269662921) internal successors, (20774), 6052 states have internal predecessors, (20774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:53:08,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6053 states to 6053 states and 20774 transitions. [2022-03-01 14:53:08,035 INFO L78 Accepts]: Start accepts. Automaton has 6053 states and 20774 transitions. Word has length 56 [2022-03-01 14:53:08,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:53:08,037 INFO L470 AbstractCegarLoop]: Abstraction has 6053 states and 20774 transitions. [2022-03-01 14:53:08,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:53:08,037 INFO L276 IsEmpty]: Start isEmpty. Operand 6053 states and 20774 transitions. [2022-03-01 14:53:08,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-03-01 14:53:08,052 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:53:08,052 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:53:08,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 14:53:08,053 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 14:53:08,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:53:08,055 INFO L85 PathProgramCache]: Analyzing trace with hash -826924117, now seen corresponding path program 1 times [2022-03-01 14:53:08,055 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:53:08,055 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769164535] [2022-03-01 14:53:08,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:53:08,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:53:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:53:08,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:53:08,190 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:53:08,190 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769164535] [2022-03-01 14:53:08,190 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769164535] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:53:08,190 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:53:08,190 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-01 14:53:08,191 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714920680] [2022-03-01 14:53:08,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:53:08,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 14:53:08,192 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:53:08,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 14:53:08,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-01 14:53:08,195 INFO L87 Difference]: Start difference. First operand 6053 states and 20774 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:53:08,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:53:08,378 INFO L93 Difference]: Finished difference Result 6788 states and 23112 transitions. [2022-03-01 14:53:08,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 14:53:08,379 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-03-01 14:53:08,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:53:08,416 INFO L225 Difference]: With dead ends: 6788 [2022-03-01 14:53:08,417 INFO L226 Difference]: Without dead ends: 5563 [2022-03-01 14:53:08,417 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-03-01 14:53:08,418 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 102 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 14:53:08,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 452 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 14:53:08,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5563 states. [2022-03-01 14:53:08,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5563 to 5563. [2022-03-01 14:53:08,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5563 states, 5562 states have (on average 3.4128011506652283) internal successors, (18982), 5562 states have internal predecessors, (18982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:53:08,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5563 states to 5563 states and 18982 transitions. [2022-03-01 14:53:08,610 INFO L78 Accepts]: Start accepts. Automaton has 5563 states and 18982 transitions. Word has length 58 [2022-03-01 14:53:08,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:53:08,611 INFO L470 AbstractCegarLoop]: Abstraction has 5563 states and 18982 transitions. [2022-03-01 14:53:08,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:53:08,612 INFO L276 IsEmpty]: Start isEmpty. Operand 5563 states and 18982 transitions. [2022-03-01 14:53:08,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-03-01 14:53:08,621 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:53:08,621 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:53:08,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 14:53:08,622 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 14:53:08,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:53:08,622 INFO L85 PathProgramCache]: Analyzing trace with hash -375941751, now seen corresponding path program 1 times [2022-03-01 14:53:08,622 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:53:08,622 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664757821] [2022-03-01 14:53:08,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:53:08,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:53:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:53:08,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:53:08,773 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:53:08,774 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664757821] [2022-03-01 14:53:08,774 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664757821] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:53:08,774 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:53:08,774 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 14:53:08,775 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885945038] [2022-03-01 14:53:08,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:53:08,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 14:53:08,775 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:53:08,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 14:53:08,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-01 14:53:08,776 INFO L87 Difference]: Start difference. First operand 5563 states and 18982 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:53:08,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:53:08,902 INFO L93 Difference]: Finished difference Result 6298 states and 21320 transitions. [2022-03-01 14:53:08,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 14:53:08,902 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-03-01 14:53:08,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:53:08,928 INFO L225 Difference]: With dead ends: 6298 [2022-03-01 14:53:08,928 INFO L226 Difference]: Without dead ends: 5073 [2022-03-01 14:53:08,929 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-03-01 14:53:08,929 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 159 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 14:53:08,930 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 457 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 14:53:08,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5073 states. [2022-03-01 14:53:09,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5073 to 5073. [2022-03-01 14:53:09,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5073 states, 5072 states have (on average 3.3891955835962144) internal successors, (17190), 5072 states have internal predecessors, (17190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:53:09,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5073 states to 5073 states and 17190 transitions. [2022-03-01 14:53:09,108 INFO L78 Accepts]: Start accepts. Automaton has 5073 states and 17190 transitions. Word has length 58 [2022-03-01 14:53:09,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:53:09,109 INFO L470 AbstractCegarLoop]: Abstraction has 5073 states and 17190 transitions. [2022-03-01 14:53:09,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:53:09,109 INFO L276 IsEmpty]: Start isEmpty. Operand 5073 states and 17190 transitions. [2022-03-01 14:53:09,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-03-01 14:53:09,118 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:53:09,118 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:53:09,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-01 14:53:09,118 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 14:53:09,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:53:09,119 INFO L85 PathProgramCache]: Analyzing trace with hash 594099658, now seen corresponding path program 1 times [2022-03-01 14:53:09,119 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:53:09,119 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999491144] [2022-03-01 14:53:09,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:53:09,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:53:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:53:09,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:53:09,250 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:53:09,251 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999491144] [2022-03-01 14:53:09,251 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999491144] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:53:09,251 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:53:09,251 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-01 14:53:09,251 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973996835] [2022-03-01 14:53:09,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:53:09,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-01 14:53:09,251 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:53:09,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-01 14:53:09,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-03-01 14:53:09,252 INFO L87 Difference]: Start difference. First operand 5073 states and 17190 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:53:09,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:53:09,391 INFO L93 Difference]: Finished difference Result 7103 states and 23949 transitions. [2022-03-01 14:53:09,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 14:53:09,391 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-03-01 14:53:09,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:53:09,407 INFO L225 Difference]: With dead ends: 7103 [2022-03-01 14:53:09,407 INFO L226 Difference]: Without dead ends: 3498 [2022-03-01 14:53:09,412 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2022-03-01 14:53:09,419 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 206 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 14:53:09,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [206 Valid, 505 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 14:53:09,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3498 states. [2022-03-01 14:53:09,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3498 to 3498. [2022-03-01 14:53:09,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3498 states, 3497 states have (on average 3.311123820417501) internal successors, (11579), 3497 states have internal predecessors, (11579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:53:09,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3498 states to 3498 states and 11579 transitions. [2022-03-01 14:53:09,514 INFO L78 Accepts]: Start accepts. Automaton has 3498 states and 11579 transitions. Word has length 60 [2022-03-01 14:53:09,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:53:09,514 INFO L470 AbstractCegarLoop]: Abstraction has 3498 states and 11579 transitions. [2022-03-01 14:53:09,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:53:09,514 INFO L276 IsEmpty]: Start isEmpty. Operand 3498 states and 11579 transitions. [2022-03-01 14:53:09,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-03-01 14:53:09,522 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:53:09,523 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:53:09,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-01 14:53:09,523 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 14:53:09,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:53:09,524 INFO L85 PathProgramCache]: Analyzing trace with hash 928810136, now seen corresponding path program 1 times [2022-03-01 14:53:09,524 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:53:09,524 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920650666] [2022-03-01 14:53:09,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:53:09,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:53:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:53:09,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:53:09,630 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:53:09,630 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920650666] [2022-03-01 14:53:09,630 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920650666] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:53:09,630 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:53:09,630 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-01 14:53:09,630 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444850249] [2022-03-01 14:53:09,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:53:09,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-01 14:53:09,631 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:53:09,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-01 14:53:09,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-03-01 14:53:09,631 INFO L87 Difference]: Start difference. First operand 3498 states and 11579 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:53:09,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:53:09,753 INFO L93 Difference]: Finished difference Result 4978 states and 16373 transitions. [2022-03-01 14:53:09,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 14:53:09,753 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-03-01 14:53:09,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:53:09,760 INFO L225 Difference]: With dead ends: 4978 [2022-03-01 14:53:09,760 INFO L226 Difference]: Without dead ends: 2178 [2022-03-01 14:53:09,760 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2022-03-01 14:53:09,761 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 183 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 14:53:09,761 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 510 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 14:53:09,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2178 states. [2022-03-01 14:53:09,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2178 to 2178. [2022-03-01 14:53:09,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2178 states, 2177 states have (on average 3.159393661001378) internal successors, (6878), 2177 states have internal predecessors, (6878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:53:09,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 2178 states and 6878 transitions. [2022-03-01 14:53:09,809 INFO L78 Accepts]: Start accepts. Automaton has 2178 states and 6878 transitions. Word has length 61 [2022-03-01 14:53:09,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:53:09,810 INFO L470 AbstractCegarLoop]: Abstraction has 2178 states and 6878 transitions. [2022-03-01 14:53:09,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:53:09,810 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 6878 transitions. [2022-03-01 14:53:09,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-03-01 14:53:09,814 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:53:09,814 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:53:09,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-01 14:53:09,815 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 14:53:09,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:53:09,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1370358335, now seen corresponding path program 1 times [2022-03-01 14:53:09,815 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:53:09,815 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779392236] [2022-03-01 14:53:09,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:53:09,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:53:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:53:09,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:53:09,900 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:53:09,900 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779392236] [2022-03-01 14:53:09,900 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779392236] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:53:09,900 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:53:09,900 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-01 14:53:09,900 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558977929] [2022-03-01 14:53:09,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:53:09,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 14:53:09,901 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:53:09,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 14:53:09,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-01 14:53:09,901 INFO L87 Difference]: Start difference. First operand 2178 states and 6878 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:53:09,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:53:09,991 INFO L93 Difference]: Finished difference Result 2750 states and 8635 transitions. [2022-03-01 14:53:09,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 14:53:09,991 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-03-01 14:53:09,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:53:09,997 INFO L225 Difference]: With dead ends: 2750 [2022-03-01 14:53:09,997 INFO L226 Difference]: Without dead ends: 2010 [2022-03-01 14:53:09,998 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-03-01 14:53:09,999 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 123 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 14:53:09,999 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 344 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 14:53:10,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2010 states. [2022-03-01 14:53:10,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2010 to 2010. [2022-03-01 14:53:10,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2010 states, 2009 states have (on average 3.141363862618218) internal successors, (6311), 2009 states have internal predecessors, (6311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:53:10,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2010 states to 2010 states and 6311 transitions. [2022-03-01 14:53:10,052 INFO L78 Accepts]: Start accepts. Automaton has 2010 states and 6311 transitions. Word has length 64 [2022-03-01 14:53:10,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:53:10,053 INFO L470 AbstractCegarLoop]: Abstraction has 2010 states and 6311 transitions. [2022-03-01 14:53:10,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:53:10,053 INFO L276 IsEmpty]: Start isEmpty. Operand 2010 states and 6311 transitions. [2022-03-01 14:53:10,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-03-01 14:53:10,057 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:53:10,058 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:53:10,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-01 14:53:10,058 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 14:53:10,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:53:10,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1726533290, now seen corresponding path program 1 times [2022-03-01 14:53:10,060 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:53:10,060 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954005870] [2022-03-01 14:53:10,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:53:10,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:53:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:53:10,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:53:10,155 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:53:10,155 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954005870] [2022-03-01 14:53:10,156 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954005870] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:53:10,156 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:53:10,156 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 14:53:10,156 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961601074] [2022-03-01 14:53:10,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:53:10,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 14:53:10,156 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:53:10,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 14:53:10,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-01 14:53:10,157 INFO L87 Difference]: Start difference. First operand 2010 states and 6311 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:53:10,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:53:10,243 INFO L93 Difference]: Finished difference Result 2220 states and 6838 transitions. [2022-03-01 14:53:10,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 14:53:10,245 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-03-01 14:53:10,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:53:10,249 INFO L225 Difference]: With dead ends: 2220 [2022-03-01 14:53:10,249 INFO L226 Difference]: Without dead ends: 1590 [2022-03-01 14:53:10,250 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-03-01 14:53:10,250 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 186 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 14:53:10,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 363 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 14:53:10,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1590 states. [2022-03-01 14:53:10,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1590 to 1590. [2022-03-01 14:53:10,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1590 states, 1589 states have (on average 3.0421648835745754) internal successors, (4834), 1589 states have internal predecessors, (4834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:53:10,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1590 states to 1590 states and 4834 transitions. [2022-03-01 14:53:10,282 INFO L78 Accepts]: Start accepts. Automaton has 1590 states and 4834 transitions. Word has length 65 [2022-03-01 14:53:10,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:53:10,283 INFO L470 AbstractCegarLoop]: Abstraction has 1590 states and 4834 transitions. [2022-03-01 14:53:10,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:53:10,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1590 states and 4834 transitions. [2022-03-01 14:53:10,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-03-01 14:53:10,286 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:53:10,286 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:53:10,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-01 14:53:10,286 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 14:53:10,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:53:10,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1195020577, now seen corresponding path program 1 times [2022-03-01 14:53:10,287 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:53:10,287 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876120240] [2022-03-01 14:53:10,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:53:10,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:53:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:53:10,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:53:10,376 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:53:10,376 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876120240] [2022-03-01 14:53:10,376 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876120240] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:53:10,377 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:53:10,377 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-01 14:53:10,377 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281501051] [2022-03-01 14:53:10,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:53:10,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-01 14:53:10,377 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:53:10,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-01 14:53:10,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-03-01 14:53:10,378 INFO L87 Difference]: Start difference. First operand 1590 states and 4834 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:53:10,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:53:10,464 INFO L93 Difference]: Finished difference Result 1365 states and 4012 transitions. [2022-03-01 14:53:10,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-01 14:53:10,464 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-03-01 14:53:10,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:53:10,466 INFO L225 Difference]: With dead ends: 1365 [2022-03-01 14:53:10,467 INFO L226 Difference]: Without dead ends: 960 [2022-03-01 14:53:10,467 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2022-03-01 14:53:10,467 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 195 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 14:53:10,467 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 361 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 14:53:10,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2022-03-01 14:53:10,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 960. [2022-03-01 14:53:10,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 960 states, 959 states have (on average 2.8508863399374347) internal successors, (2734), 959 states have internal predecessors, (2734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:53:10,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 2734 transitions. [2022-03-01 14:53:10,484 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 2734 transitions. Word has length 66 [2022-03-01 14:53:10,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:53:10,484 INFO L470 AbstractCegarLoop]: Abstraction has 960 states and 2734 transitions. [2022-03-01 14:53:10,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:53:10,484 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 2734 transitions. [2022-03-01 14:53:10,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-03-01 14:53:10,486 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 14:53:10,486 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:53:10,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-01 14:53:10,486 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 14:53:10,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 14:53:10,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1198195168, now seen corresponding path program 1 times [2022-03-01 14:53:10,487 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 14:53:10,487 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27790805] [2022-03-01 14:53:10,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 14:53:10,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 14:53:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 14:53:10,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 14:53:10,552 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 14:53:10,553 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27790805] [2022-03-01 14:53:10,553 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27790805] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 14:53:10,553 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 14:53:10,553 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 14:53:10,553 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308281337] [2022-03-01 14:53:10,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 14:53:10,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 14:53:10,553 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 14:53:10,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 14:53:10,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-03-01 14:53:10,554 INFO L87 Difference]: Start difference. First operand 960 states and 2734 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:53:10,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 14:53:10,616 INFO L93 Difference]: Finished difference Result 906 states and 2572 transitions. [2022-03-01 14:53:10,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-01 14:53:10,617 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-03-01 14:53:10,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 14:53:10,617 INFO L225 Difference]: With dead ends: 906 [2022-03-01 14:53:10,617 INFO L226 Difference]: Without dead ends: 0 [2022-03-01 14:53:10,617 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-03-01 14:53:10,617 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 97 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 14:53:10,618 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [97 Valid, 403 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 14:53:10,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-01 14:53:10,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-01 14:53:10,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:53:10,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-01 14:53:10,618 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2022-03-01 14:53:10,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 14:53:10,619 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-01 14:53:10,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 14:53:10,619 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-01 14:53:10,619 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-01 14:53:10,621 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-03-01 14:53:10,621 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-01 14:53:10,621 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-01 14:53:10,621 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-01 14:53:10,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-01 14:53:10,623 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 14:53:10,625 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-01 14:53:10,625 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-01 14:53:10,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.03 02:53:10 BasicIcfg [2022-03-01 14:53:10,627 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-01 14:53:10,627 INFO L158 Benchmark]: Toolchain (without parser) took 4794.64ms. Allocated memory was 181.4MB in the beginning and 681.6MB in the end (delta: 500.2MB). Free memory was 128.4MB in the beginning and 311.2MB in the end (delta: -182.8MB). Peak memory consumption was 318.0MB. Max. memory is 8.0GB. [2022-03-01 14:53:10,627 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 181.4MB. Free memory was 146.4MB in the beginning and 146.3MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 14:53:10,627 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.37ms. Allocated memory is still 181.4MB. Free memory was 128.1MB in the beginning and 146.6MB in the end (delta: -18.5MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. [2022-03-01 14:53:10,628 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.74ms. Allocated memory is still 181.4MB. Free memory was 146.6MB in the beginning and 144.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-01 14:53:10,628 INFO L158 Benchmark]: Boogie Preprocessor took 24.77ms. Allocated memory is still 181.4MB. Free memory was 144.5MB in the beginning and 142.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-01 14:53:10,628 INFO L158 Benchmark]: RCFGBuilder took 325.16ms. Allocated memory is still 181.4MB. Free memory was 142.9MB in the beginning and 130.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-01 14:53:10,628 INFO L158 Benchmark]: TraceAbstraction took 3997.20ms. Allocated memory was 181.4MB in the beginning and 681.6MB in the end (delta: 500.2MB). Free memory was 129.8MB in the beginning and 311.2MB in the end (delta: -181.4MB). Peak memory consumption was 319.3MB. Max. memory is 8.0GB. [2022-03-01 14:53:10,629 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 181.4MB. Free memory was 146.4MB in the beginning and 146.3MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 395.37ms. Allocated memory is still 181.4MB. Free memory was 128.1MB in the beginning and 146.6MB in the end (delta: -18.5MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.74ms. Allocated memory is still 181.4MB. Free memory was 146.6MB in the beginning and 144.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.77ms. Allocated memory is still 181.4MB. Free memory was 144.5MB in the beginning and 142.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 325.16ms. Allocated memory is still 181.4MB. Free memory was 142.9MB in the beginning and 130.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 3997.20ms. Allocated memory was 181.4MB in the beginning and 681.6MB in the end (delta: 500.2MB). Free memory was 129.8MB in the beginning and 311.2MB in the end (delta: -181.4MB). Peak memory consumption was 319.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 116 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1357 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1357 mSDsluCounter, 3876 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3029 mSDsCounter, 62 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 421 IncrementalHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 62 mSolverCounterUnsat, 933 mSDtfsCounter, 421 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6592occurred in iteration=0, InterpolantAutomatonStates: 86, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 556 NumberOfCodeBlocks, 556 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 547 ConstructedInterpolants, 0 QuantifiedInterpolants, 2341 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-01 14:53:10,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...