/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/weaver/popl20-commit-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 14:07:48,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 14:07:48,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 14:07:48,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 14:07:48,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 14:07:48,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 14:07:48,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 14:07:48,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 14:07:48,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 14:07:48,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 14:07:48,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 14:07:49,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 14:07:49,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 14:07:49,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 14:07:49,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 14:07:49,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 14:07:49,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 14:07:49,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 14:07:49,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 14:07:49,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 14:07:49,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 14:07:49,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 14:07:49,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 14:07:49,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 14:07:49,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 14:07:49,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 14:07:49,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 14:07:49,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 14:07:49,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 14:07:49,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-15 14:07:49,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-15 14:07:49,025 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-15 14:07:49,026 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-15 14:07:49,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-15 14:07:49,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-15 14:07:49,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-15 14:07:49,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-15 14:07:49,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-15 14:07:49,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 14:07:49,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 14:07:49,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 14:07:49,030 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 [2022-03-15 14:07:49,055 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 14:07:49,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 14:07:49,056 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-15 14:07:49,056 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-15 14:07:49,056 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 14:07:49,056 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 14:07:49,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 14:07:49,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 14:07:49,057 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 14:07:49,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 14:07:49,058 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 14:07:49,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 14:07:49,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 14:07:49,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 14:07:49,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 14:07:49,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 14:07:49,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 14:07:49,058 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 14:07:49,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 14:07:49,058 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 14:07:49,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 14:07:49,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 14:07:49,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 14:07:49,059 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 14:07:49,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 14:07:49,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 14:07:49,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 14:07:49,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-15 14:07:49,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 14:07:49,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 14:07:49,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 14:07:49,060 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-15 14:07:49,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 14:07:49,061 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 14:07:49,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 14:07:49,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 14:07:49,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 14:07:49,276 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 14:07:49,277 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 14:07:49,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-commit-2.wvr.c [2022-03-15 14:07:49,334 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9a2ab04a/a73be8abbcab4afabfdc1852db6c486a/FLAG658004593 [2022-03-15 14:07:49,712 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 14:07:49,713 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-2.wvr.c [2022-03-15 14:07:49,717 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9a2ab04a/a73be8abbcab4afabfdc1852db6c486a/FLAG658004593 [2022-03-15 14:07:49,730 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9a2ab04a/a73be8abbcab4afabfdc1852db6c486a [2022-03-15 14:07:49,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 14:07:49,733 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 14:07:49,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 14:07:49,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 14:07:49,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 14:07:49,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 02:07:49" (1/1) ... [2022-03-15 14:07:49,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cf2f475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:07:49, skipping insertion in model container [2022-03-15 14:07:49,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 02:07:49" (1/1) ... [2022-03-15 14:07:49,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 14:07:49,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 14:07:49,998 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-2.wvr.c[5846,5859] [2022-03-15 14:07:50,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 14:07:50,019 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 14:07:50,052 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-2.wvr.c[5846,5859] [2022-03-15 14:07:50,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 14:07:50,071 INFO L208 MainTranslator]: Completed translation [2022-03-15 14:07:50,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:07:50 WrapperNode [2022-03-15 14:07:50,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 14:07:50,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 14:07:50,073 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 14:07:50,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 14:07:50,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:07:50" (1/1) ... [2022-03-15 14:07:50,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:07:50" (1/1) ... [2022-03-15 14:07:50,139 INFO L137 Inliner]: procedures = 26, calls = 93, calls flagged for inlining = 27, calls inlined = 33, statements flattened = 456 [2022-03-15 14:07:50,140 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 14:07:50,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 14:07:50,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 14:07:50,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 14:07:50,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:07:50" (1/1) ... [2022-03-15 14:07:50,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:07:50" (1/1) ... [2022-03-15 14:07:50,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:07:50" (1/1) ... [2022-03-15 14:07:50,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:07:50" (1/1) ... [2022-03-15 14:07:50,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:07:50" (1/1) ... [2022-03-15 14:07:50,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:07:50" (1/1) ... [2022-03-15 14:07:50,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:07:50" (1/1) ... [2022-03-15 14:07:50,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 14:07:50,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 14:07:50,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 14:07:50,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 14:07:50,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:07:50" (1/1) ... [2022-03-15 14:07:50,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 14:07:50,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:07:50,214 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) [2022-03-15 14:07:50,243 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 [2022-03-15 14:07:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 14:07:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 14:07:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 14:07:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 14:07:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-15 14:07:50,253 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-15 14:07:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-15 14:07:50,253 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-15 14:07:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-15 14:07:50,253 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-15 14:07:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-15 14:07:50,254 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-15 14:07:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 14:07:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-15 14:07:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-15 14:07:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-15 14:07:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 14:07:50,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 14:07:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 14:07:50,256 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 14:07:50,363 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 14:07:50,364 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 14:07:50,844 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 14:07:51,049 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 14:07:51,050 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2022-03-15 14:07:51,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 02:07:51 BoogieIcfgContainer [2022-03-15 14:07:51,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 14:07:51,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 14:07:51,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 14:07:51,055 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 14:07:51,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 02:07:49" (1/3) ... [2022-03-15 14:07:51,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc1bd9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 02:07:51, skipping insertion in model container [2022-03-15 14:07:51,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:07:50" (2/3) ... [2022-03-15 14:07:51,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc1bd9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 02:07:51, skipping insertion in model container [2022-03-15 14:07:51,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 02:07:51" (3/3) ... [2022-03-15 14:07:51,057 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-commit-2.wvr.c [2022-03-15 14:07:51,060 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 14:07:51,061 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-15 14:07:51,061 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-15 14:07:51,061 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 14:07:51,116 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,117 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,117 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,117 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,117 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,117 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,117 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,117 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,118 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,118 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,118 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,118 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,118 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,118 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,118 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,118 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,118 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,118 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,120 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,121 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,121 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,121 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,122 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,122 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,122 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,122 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,122 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,122 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,122 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,122 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,122 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,123 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,123 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,123 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,123 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,123 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,123 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,124 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,124 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,124 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,124 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,124 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,124 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,124 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,125 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,125 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,125 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,125 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,126 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,126 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,126 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,126 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,126 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,127 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,127 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,127 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,127 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,127 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,127 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,128 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,128 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,128 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,128 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,128 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,128 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,128 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,128 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,130 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,130 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,130 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,130 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,131 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,131 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,131 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,132 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,132 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,134 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,139 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,139 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,139 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,139 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,140 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,140 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,140 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,140 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,140 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,140 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,141 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,141 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,141 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,141 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,141 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,141 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,141 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,141 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,141 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,142 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,142 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,142 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,142 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,142 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,142 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,142 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,142 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,142 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,142 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,142 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,142 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,143 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,143 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,143 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,143 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,143 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,143 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,143 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,143 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,143 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,144 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,144 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,145 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,145 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,146 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,146 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,146 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,146 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,146 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,146 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,146 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,146 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,147 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,147 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,147 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,147 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,147 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,147 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,147 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,147 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,147 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,147 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,147 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,148 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,148 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,148 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,148 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,148 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,148 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,148 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,148 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,148 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,148 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,148 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,148 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~short33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,148 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,149 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,149 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,149 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,149 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,149 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~short33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,149 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,153 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,153 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,153 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,154 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,154 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,154 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,154 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,154 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,154 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,154 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,155 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,155 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,155 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,155 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,155 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,155 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,155 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,155 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,155 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,155 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,158 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,158 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,158 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,158 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,161 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,161 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,162 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,162 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,162 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~short33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,162 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 14:07:51,168 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-15 14:07:51,215 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 14:07:51,221 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 [2022-03-15 14:07:51,221 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-15 14:07:51,236 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 316 places, 328 transitions, 688 flow [2022-03-15 14:07:52,450 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 31808 states, 31807 states have (on average 4.954947024239948) internal successors, (157602), 31807 states have internal predecessors, (157602), 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) [2022-03-15 14:07:52,510 INFO L276 IsEmpty]: Start isEmpty. Operand has 31808 states, 31807 states have (on average 4.954947024239948) internal successors, (157602), 31807 states have internal predecessors, (157602), 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) [2022-03-15 14:07:52,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-03-15 14:07:52,829 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:07:52,830 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:07:52,830 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 14:07:52,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:07:52,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1144100615, now seen corresponding path program 1 times [2022-03-15 14:07:52,841 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:07:52,842 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532239369] [2022-03-15 14:07:52,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:07:52,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:07:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:07:53,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:07:53,169 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:07:53,169 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532239369] [2022-03-15 14:07:53,170 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532239369] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:07:53,170 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:07:53,170 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 14:07:53,171 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558762356] [2022-03-15 14:07:53,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:07:53,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-15 14:07:53,176 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:07:53,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-15 14:07:53,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-15 14:07:53,256 INFO L87 Difference]: Start difference. First operand has 31808 states, 31807 states have (on average 4.954947024239948) internal successors, (157602), 31807 states have internal predecessors, (157602), 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 2 states, 2 states have (on average 116.5) internal successors, (233), 2 states have internal predecessors, (233), 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) [2022-03-15 14:07:53,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:07:53,938 INFO L93 Difference]: Finished difference Result 31808 states and 144036 transitions. [2022-03-15 14:07:53,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-15 14:07:53,940 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 116.5) internal successors, (233), 2 states have internal predecessors, (233), 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 233 [2022-03-15 14:07:53,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:07:54,253 INFO L225 Difference]: With dead ends: 31808 [2022-03-15 14:07:54,253 INFO L226 Difference]: Without dead ends: 31799 [2022-03-15 14:07:54,255 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-15 14:07:54,259 INFO L933 BasicCegarLoop]: 274 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 14:07:54,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 274 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 14:07:54,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31799 states. [2022-03-15 14:07:55,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31799 to 31799. [2022-03-15 14:07:55,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31799 states, 31798 states have (on average 4.529435813573181) internal successors, (144027), 31798 states have internal predecessors, (144027), 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) [2022-03-15 14:07:56,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31799 states to 31799 states and 144027 transitions. [2022-03-15 14:07:56,085 INFO L78 Accepts]: Start accepts. Automaton has 31799 states and 144027 transitions. Word has length 233 [2022-03-15 14:07:56,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:07:56,085 INFO L470 AbstractCegarLoop]: Abstraction has 31799 states and 144027 transitions. [2022-03-15 14:07:56,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 116.5) internal successors, (233), 2 states have internal predecessors, (233), 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) [2022-03-15 14:07:56,086 INFO L276 IsEmpty]: Start isEmpty. Operand 31799 states and 144027 transitions. [2022-03-15 14:07:56,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-03-15 14:07:56,258 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:07:56,258 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:07:56,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 14:07:56,258 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 14:07:56,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:07:56,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1544914677, now seen corresponding path program 1 times [2022-03-15 14:07:56,259 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:07:56,259 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220575374] [2022-03-15 14:07:56,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:07:56,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:07:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:07:56,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:07:56,576 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:07:56,576 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220575374] [2022-03-15 14:07:56,576 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220575374] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:07:56,576 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:07:56,576 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 14:07:56,577 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201304798] [2022-03-15 14:07:56,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:07:56,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 14:07:56,578 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:07:56,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 14:07:56,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-15 14:07:56,579 INFO L87 Difference]: Start difference. First operand 31799 states and 144027 transitions. Second operand has 5 states, 5 states have (on average 47.4) internal successors, (237), 5 states have internal predecessors, (237), 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) [2022-03-15 14:07:57,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:07:57,390 INFO L93 Difference]: Finished difference Result 46543 states and 210623 transitions. [2022-03-15 14:07:57,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 14:07:57,391 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 47.4) internal successors, (237), 5 states have internal predecessors, (237), 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 237 [2022-03-15 14:07:57,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:07:57,960 INFO L225 Difference]: With dead ends: 46543 [2022-03-15 14:07:57,960 INFO L226 Difference]: Without dead ends: 45261 [2022-03-15 14:07:57,960 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-03-15 14:07:57,961 INFO L933 BasicCegarLoop]: 263 mSDtfsCounter, 41 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 14:07:57,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 836 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 14:07:58,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45261 states. [2022-03-15 14:07:59,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45261 to 34418. [2022-03-15 14:07:59,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34418 states, 34417 states have (on average 4.514251677949851) internal successors, (155367), 34417 states have internal predecessors, (155367), 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) [2022-03-15 14:07:59,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34418 states to 34418 states and 155367 transitions. [2022-03-15 14:07:59,709 INFO L78 Accepts]: Start accepts. Automaton has 34418 states and 155367 transitions. Word has length 237 [2022-03-15 14:07:59,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:07:59,711 INFO L470 AbstractCegarLoop]: Abstraction has 34418 states and 155367 transitions. [2022-03-15 14:07:59,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 47.4) internal successors, (237), 5 states have internal predecessors, (237), 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) [2022-03-15 14:07:59,711 INFO L276 IsEmpty]: Start isEmpty. Operand 34418 states and 155367 transitions. [2022-03-15 14:07:59,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-03-15 14:07:59,807 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:07:59,808 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:07:59,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 14:07:59,808 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 14:07:59,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:07:59,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1719810959, now seen corresponding path program 1 times [2022-03-15 14:07:59,809 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:07:59,809 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232714407] [2022-03-15 14:07:59,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:07:59,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:07:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:07:59,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:07:59,927 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:07:59,927 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232714407] [2022-03-15 14:07:59,928 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232714407] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:07:59,929 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:07:59,929 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-15 14:07:59,929 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127255654] [2022-03-15 14:07:59,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:07:59,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 14:07:59,930 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:07:59,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 14:07:59,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-15 14:07:59,931 INFO L87 Difference]: Start difference. First operand 34418 states and 155367 transitions. Second operand has 6 states, 6 states have (on average 40.166666666666664) internal successors, (241), 6 states have internal predecessors, (241), 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) [2022-03-15 14:08:00,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:08:00,680 INFO L93 Difference]: Finished difference Result 50426 states and 218614 transitions. [2022-03-15 14:08:00,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-15 14:08:00,680 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 40.166666666666664) internal successors, (241), 6 states have internal predecessors, (241), 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 241 [2022-03-15 14:08:00,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:08:01,082 INFO L225 Difference]: With dead ends: 50426 [2022-03-15 14:08:01,082 INFO L226 Difference]: Without dead ends: 34424 [2022-03-15 14:08:01,082 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-15 14:08:01,083 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 158 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 1124 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 14:08:01,084 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 1124 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 14:08:01,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34424 states. [2022-03-15 14:08:02,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34424 to 34419. [2022-03-15 14:08:02,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34419 states, 34418 states have (on average 4.514149572897902) internal successors, (155368), 34418 states have internal predecessors, (155368), 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) [2022-03-15 14:08:02,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34419 states to 34419 states and 155368 transitions. [2022-03-15 14:08:02,476 INFO L78 Accepts]: Start accepts. Automaton has 34419 states and 155368 transitions. Word has length 241 [2022-03-15 14:08:02,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:08:02,476 INFO L470 AbstractCegarLoop]: Abstraction has 34419 states and 155368 transitions. [2022-03-15 14:08:02,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 40.166666666666664) internal successors, (241), 6 states have internal predecessors, (241), 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) [2022-03-15 14:08:02,476 INFO L276 IsEmpty]: Start isEmpty. Operand 34419 states and 155368 transitions. [2022-03-15 14:08:02,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-03-15 14:08:02,574 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:08:02,574 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:08:02,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 14:08:02,575 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 14:08:02,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:08:02,575 INFO L85 PathProgramCache]: Analyzing trace with hash -11465242, now seen corresponding path program 1 times [2022-03-15 14:08:02,575 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:08:02,575 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005618728] [2022-03-15 14:08:02,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:08:02,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:08:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:08:02,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 14:08:02,749 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:08:02,749 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005618728] [2022-03-15 14:08:02,749 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005618728] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:08:02,749 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:08:02,749 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 14:08:02,750 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357592024] [2022-03-15 14:08:02,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:08:02,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 14:08:02,750 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:08:02,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 14:08:02,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 14:08:02,751 INFO L87 Difference]: Start difference. First operand 34419 states and 155368 transitions. Second operand has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 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) [2022-03-15 14:08:03,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:08:03,632 INFO L93 Difference]: Finished difference Result 65982 states and 295834 transitions. [2022-03-15 14:08:03,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 14:08:03,644 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 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 248 [2022-03-15 14:08:03,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:08:03,986 INFO L225 Difference]: With dead ends: 65982 [2022-03-15 14:08:03,987 INFO L226 Difference]: Without dead ends: 61550 [2022-03-15 14:08:03,987 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 14:08:03,988 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 314 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 14:08:03,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [314 Valid, 398 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 14:08:04,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61550 states. [2022-03-15 14:08:05,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61550 to 48377. [2022-03-15 14:08:05,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48377 states, 48376 states have (on average 4.4872250702827845) internal successors, (217074), 48376 states have internal predecessors, (217074), 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) [2022-03-15 14:08:06,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48377 states to 48377 states and 217074 transitions. [2022-03-15 14:08:06,044 INFO L78 Accepts]: Start accepts. Automaton has 48377 states and 217074 transitions. Word has length 248 [2022-03-15 14:08:06,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:08:06,044 INFO L470 AbstractCegarLoop]: Abstraction has 48377 states and 217074 transitions. [2022-03-15 14:08:06,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 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) [2022-03-15 14:08:06,045 INFO L276 IsEmpty]: Start isEmpty. Operand 48377 states and 217074 transitions. [2022-03-15 14:08:06,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-03-15 14:08:06,176 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:08:06,177 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:08:06,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 14:08:06,177 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 14:08:06,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:08:06,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1355076614, now seen corresponding path program 1 times [2022-03-15 14:08:06,178 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:08:06,178 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856551784] [2022-03-15 14:08:06,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:08:06,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:08:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:08:06,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 14:08:06,329 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:08:06,329 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856551784] [2022-03-15 14:08:06,329 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856551784] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:08:06,330 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:08:06,330 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 14:08:06,331 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789754943] [2022-03-15 14:08:06,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:08:06,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 14:08:06,331 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:08:06,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 14:08:06,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 14:08:06,332 INFO L87 Difference]: Start difference. First operand 48377 states and 217074 transitions. Second operand has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 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) [2022-03-15 14:08:07,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:08:07,061 INFO L93 Difference]: Finished difference Result 55088 states and 244662 transitions. [2022-03-15 14:08:07,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 14:08:07,061 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 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 248 [2022-03-15 14:08:07,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:08:07,568 INFO L225 Difference]: With dead ends: 55088 [2022-03-15 14:08:07,568 INFO L226 Difference]: Without dead ends: 52660 [2022-03-15 14:08:07,568 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 14:08:07,569 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 315 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 14:08:07,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [315 Valid, 439 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 14:08:07,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52660 states. [2022-03-15 14:08:09,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52660 to 48063. [2022-03-15 14:08:09,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48063 states, 48062 states have (on average 4.473659023760975) internal successors, (215013), 48062 states have internal predecessors, (215013), 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) [2022-03-15 14:08:09,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48063 states to 48063 states and 215013 transitions. [2022-03-15 14:08:09,353 INFO L78 Accepts]: Start accepts. Automaton has 48063 states and 215013 transitions. Word has length 248 [2022-03-15 14:08:09,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:08:09,353 INFO L470 AbstractCegarLoop]: Abstraction has 48063 states and 215013 transitions. [2022-03-15 14:08:09,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 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) [2022-03-15 14:08:09,354 INFO L276 IsEmpty]: Start isEmpty. Operand 48063 states and 215013 transitions. [2022-03-15 14:08:09,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-03-15 14:08:09,804 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:08:09,804 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:08:09,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-15 14:08:09,805 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 14:08:09,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:08:09,805 INFO L85 PathProgramCache]: Analyzing trace with hash -700071462, now seen corresponding path program 1 times [2022-03-15 14:08:09,805 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:08:09,805 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047931977] [2022-03-15 14:08:09,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:08:09,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:08:09,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:08:09,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 14:08:09,952 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:08:09,952 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047931977] [2022-03-15 14:08:09,952 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047931977] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:08:09,952 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:08:09,953 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 14:08:09,953 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317570217] [2022-03-15 14:08:09,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:08:09,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 14:08:09,953 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:08:09,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 14:08:09,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 14:08:09,954 INFO L87 Difference]: Start difference. First operand 48063 states and 215013 transitions. Second operand has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 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) [2022-03-15 14:08:10,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:08:10,575 INFO L93 Difference]: Finished difference Result 47982 states and 212590 transitions. [2022-03-15 14:08:10,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 14:08:10,576 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 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 248 [2022-03-15 14:08:10,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:08:10,837 INFO L225 Difference]: With dead ends: 47982 [2022-03-15 14:08:10,837 INFO L226 Difference]: Without dead ends: 46008 [2022-03-15 14:08:10,838 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 14:08:10,838 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 287 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:08:10,839 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [287 Valid, 480 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 14:08:10,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46008 states. [2022-03-15 14:08:12,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46008 to 44728. [2022-03-15 14:08:12,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44728 states, 44727 states have (on average 4.4725557269658145) internal successors, (200044), 44727 states have internal predecessors, (200044), 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) [2022-03-15 14:08:12,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44728 states to 44728 states and 200044 transitions. [2022-03-15 14:08:12,481 INFO L78 Accepts]: Start accepts. Automaton has 44728 states and 200044 transitions. Word has length 248 [2022-03-15 14:08:12,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:08:12,482 INFO L470 AbstractCegarLoop]: Abstraction has 44728 states and 200044 transitions. [2022-03-15 14:08:12,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 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) [2022-03-15 14:08:12,482 INFO L276 IsEmpty]: Start isEmpty. Operand 44728 states and 200044 transitions. [2022-03-15 14:08:12,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-03-15 14:08:12,607 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:08:12,607 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:08:12,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 14:08:12,608 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 14:08:12,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:08:12,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1116425386, now seen corresponding path program 1 times [2022-03-15 14:08:12,608 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:08:12,608 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924992696] [2022-03-15 14:08:12,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:08:12,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:08:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:08:12,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 14:08:12,724 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:08:12,724 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924992696] [2022-03-15 14:08:12,724 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924992696] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:08:12,724 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:08:12,724 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-15 14:08:12,724 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999364159] [2022-03-15 14:08:12,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:08:12,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 14:08:12,725 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:08:12,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 14:08:12,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-15 14:08:12,726 INFO L87 Difference]: Start difference. First operand 44728 states and 200044 transitions. Second operand has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 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) [2022-03-15 14:08:13,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:08:13,557 INFO L93 Difference]: Finished difference Result 62109 states and 272750 transitions. [2022-03-15 14:08:13,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-15 14:08:13,558 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 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 252 [2022-03-15 14:08:13,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:08:14,049 INFO L225 Difference]: With dead ends: 62109 [2022-03-15 14:08:14,050 INFO L226 Difference]: Without dead ends: 44734 [2022-03-15 14:08:14,050 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-15 14:08:14,050 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 243 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 14:08:14,051 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 888 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 14:08:14,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44734 states. [2022-03-15 14:08:15,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44734 to 44729. [2022-03-15 14:08:15,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44729 states, 44728 states have (on average 4.472478089787158) internal successors, (200045), 44728 states have internal predecessors, (200045), 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) [2022-03-15 14:08:15,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44729 states to 44729 states and 200045 transitions. [2022-03-15 14:08:15,683 INFO L78 Accepts]: Start accepts. Automaton has 44729 states and 200045 transitions. Word has length 252 [2022-03-15 14:08:15,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:08:15,683 INFO L470 AbstractCegarLoop]: Abstraction has 44729 states and 200045 transitions. [2022-03-15 14:08:15,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 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) [2022-03-15 14:08:15,683 INFO L276 IsEmpty]: Start isEmpty. Operand 44729 states and 200045 transitions. [2022-03-15 14:08:15,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-03-15 14:08:15,808 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:08:15,808 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:08:15,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-15 14:08:15,808 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 14:08:15,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:08:15,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1036904233, now seen corresponding path program 1 times [2022-03-15 14:08:15,809 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:08:15,809 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163348604] [2022-03-15 14:08:15,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:08:15,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:08:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:08:15,883 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 14:08:15,883 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:08:15,883 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163348604] [2022-03-15 14:08:15,883 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163348604] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:08:15,883 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:08:15,883 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-15 14:08:15,884 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457067325] [2022-03-15 14:08:15,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:08:15,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 14:08:15,884 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:08:15,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 14:08:15,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-15 14:08:15,885 INFO L87 Difference]: Start difference. First operand 44729 states and 200045 transitions. Second operand has 6 states, 6 states have (on average 43.166666666666664) internal successors, (259), 6 states have internal predecessors, (259), 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) [2022-03-15 14:08:16,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:08:16,611 INFO L93 Difference]: Finished difference Result 52430 states and 230310 transitions. [2022-03-15 14:08:16,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-15 14:08:16,612 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 43.166666666666664) internal successors, (259), 6 states have internal predecessors, (259), 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 259 [2022-03-15 14:08:16,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:08:16,800 INFO L225 Difference]: With dead ends: 52430 [2022-03-15 14:08:16,800 INFO L226 Difference]: Without dead ends: 44735 [2022-03-15 14:08:16,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-15 14:08:16,801 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 276 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 853 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 14:08:16,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [276 Valid, 853 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 14:08:16,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44735 states. [2022-03-15 14:08:18,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44735 to 44730. [2022-03-15 14:08:18,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44730 states, 44729 states have (on average 4.472400456079948) internal successors, (200046), 44729 states have internal predecessors, (200046), 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) [2022-03-15 14:08:18,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44730 states to 44730 states and 200046 transitions. [2022-03-15 14:08:18,312 INFO L78 Accepts]: Start accepts. Automaton has 44730 states and 200046 transitions. Word has length 259 [2022-03-15 14:08:18,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:08:18,313 INFO L470 AbstractCegarLoop]: Abstraction has 44730 states and 200046 transitions. [2022-03-15 14:08:18,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 43.166666666666664) internal successors, (259), 6 states have internal predecessors, (259), 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) [2022-03-15 14:08:18,313 INFO L276 IsEmpty]: Start isEmpty. Operand 44730 states and 200046 transitions. [2022-03-15 14:08:18,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-03-15 14:08:18,690 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:08:18,691 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:08:18,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-15 14:08:18,691 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 14:08:18,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:08:18,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1071293024, now seen corresponding path program 1 times [2022-03-15 14:08:18,691 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:08:18,691 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106799187] [2022-03-15 14:08:18,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:08:18,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:08:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:08:18,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 14:08:18,772 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:08:18,772 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106799187] [2022-03-15 14:08:18,772 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106799187] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:08:18,773 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:08:18,773 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-15 14:08:18,773 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582173970] [2022-03-15 14:08:18,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:08:18,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 14:08:18,773 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:08:18,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 14:08:18,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-15 14:08:18,774 INFO L87 Difference]: Start difference. First operand 44730 states and 200046 transitions. Second operand has 6 states, 6 states have (on average 44.333333333333336) internal successors, (266), 6 states have internal predecessors, (266), 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) [2022-03-15 14:08:19,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:08:19,508 INFO L93 Difference]: Finished difference Result 54573 states and 239482 transitions. [2022-03-15 14:08:19,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 14:08:19,508 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 44.333333333333336) internal successors, (266), 6 states have internal predecessors, (266), 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 266 [2022-03-15 14:08:19,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:08:19,728 INFO L225 Difference]: With dead ends: 54573 [2022-03-15 14:08:19,728 INFO L226 Difference]: Without dead ends: 44736 [2022-03-15 14:08:19,728 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-03-15 14:08:19,729 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 596 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 596 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 14:08:19,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [596 Valid, 758 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 14:08:19,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44736 states. [2022-03-15 14:08:20,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44736 to 44731. [2022-03-15 14:08:20,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44731 states, 44730 states have (on average 4.4723228258439525) internal successors, (200047), 44730 states have internal predecessors, (200047), 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) [2022-03-15 14:08:21,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44731 states to 44731 states and 200047 transitions. [2022-03-15 14:08:21,339 INFO L78 Accepts]: Start accepts. Automaton has 44731 states and 200047 transitions. Word has length 266 [2022-03-15 14:08:21,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:08:21,339 INFO L470 AbstractCegarLoop]: Abstraction has 44731 states and 200047 transitions. [2022-03-15 14:08:21,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 44.333333333333336) internal successors, (266), 6 states have internal predecessors, (266), 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) [2022-03-15 14:08:21,340 INFO L276 IsEmpty]: Start isEmpty. Operand 44731 states and 200047 transitions. [2022-03-15 14:08:21,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-03-15 14:08:21,462 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:08:21,462 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:08:21,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-15 14:08:21,462 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 14:08:21,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:08:21,463 INFO L85 PathProgramCache]: Analyzing trace with hash -816124793, now seen corresponding path program 1 times [2022-03-15 14:08:21,463 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:08:21,463 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375114562] [2022-03-15 14:08:21,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:08:21,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:08:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:08:21,604 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-15 14:08:21,604 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:08:21,604 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375114562] [2022-03-15 14:08:21,604 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375114562] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:08:21,604 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:08:21,604 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 14:08:21,604 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296818518] [2022-03-15 14:08:21,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:08:21,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 14:08:21,605 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:08:21,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 14:08:21,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 14:08:21,605 INFO L87 Difference]: Start difference. First operand 44731 states and 200047 transitions. Second operand has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 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) [2022-03-15 14:08:22,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:08:22,108 INFO L93 Difference]: Finished difference Result 33465 states and 150464 transitions. [2022-03-15 14:08:22,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 14:08:22,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 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 273 [2022-03-15 14:08:22,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:08:22,254 INFO L225 Difference]: With dead ends: 33465 [2022-03-15 14:08:22,254 INFO L226 Difference]: Without dead ends: 31113 [2022-03-15 14:08:22,254 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 14:08:22,255 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 39 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 14:08:22,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 345 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 14:08:22,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31113 states. [2022-03-15 14:08:23,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31113 to 31113. [2022-03-15 14:08:23,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31113 states, 31112 states have (on average 4.523913602468501) internal successors, (140748), 31112 states have internal predecessors, (140748), 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) [2022-03-15 14:08:23,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31113 states to 31113 states and 140748 transitions. [2022-03-15 14:08:23,197 INFO L78 Accepts]: Start accepts. Automaton has 31113 states and 140748 transitions. Word has length 273 [2022-03-15 14:08:23,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:08:23,198 INFO L470 AbstractCegarLoop]: Abstraction has 31113 states and 140748 transitions. [2022-03-15 14:08:23,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 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) [2022-03-15 14:08:23,198 INFO L276 IsEmpty]: Start isEmpty. Operand 31113 states and 140748 transitions. [2022-03-15 14:08:23,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-03-15 14:08:23,508 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:08:23,508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:08:23,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-15 14:08:23,509 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 14:08:23,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:08:23,509 INFO L85 PathProgramCache]: Analyzing trace with hash 593720945, now seen corresponding path program 1 times [2022-03-15 14:08:23,509 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:08:23,510 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633441077] [2022-03-15 14:08:23,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:08:23,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:08:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:08:23,777 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-15 14:08:23,777 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:08:23,777 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633441077] [2022-03-15 14:08:23,777 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633441077] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 14:08:23,777 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 14:08:23,777 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 14:08:23,778 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880624997] [2022-03-15 14:08:23,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 14:08:23,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 14:08:23,778 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:08:23,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 14:08:23,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 14:08:23,779 INFO L87 Difference]: Start difference. First operand 31113 states and 140748 transitions. Second operand has 4 states, 4 states have (on average 69.25) internal successors, (277), 4 states have internal predecessors, (277), 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) [2022-03-15 14:08:24,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:08:24,893 INFO L93 Difference]: Finished difference Result 85771 states and 388494 transitions. [2022-03-15 14:08:24,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 14:08:24,894 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 69.25) internal successors, (277), 4 states have internal predecessors, (277), 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 277 [2022-03-15 14:08:24,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:08:25,427 INFO L225 Difference]: With dead ends: 85771 [2022-03-15 14:08:25,427 INFO L226 Difference]: Without dead ends: 81515 [2022-03-15 14:08:25,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 14:08:25,427 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 287 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 14:08:25,428 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [287 Valid, 449 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 14:08:25,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81515 states. [2022-03-15 14:08:27,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81515 to 61097. [2022-03-15 14:08:27,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61097 states, 61096 states have (on average 4.58969490637685) internal successors, (280412), 61096 states have internal predecessors, (280412), 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) [2022-03-15 14:08:28,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61097 states to 61097 states and 280412 transitions. [2022-03-15 14:08:28,219 INFO L78 Accepts]: Start accepts. Automaton has 61097 states and 280412 transitions. Word has length 277 [2022-03-15 14:08:28,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:08:28,219 INFO L470 AbstractCegarLoop]: Abstraction has 61097 states and 280412 transitions. [2022-03-15 14:08:28,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.25) internal successors, (277), 4 states have internal predecessors, (277), 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) [2022-03-15 14:08:28,219 INFO L276 IsEmpty]: Start isEmpty. Operand 61097 states and 280412 transitions. [2022-03-15 14:08:28,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-03-15 14:08:28,428 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:08:28,428 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:08:28,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-15 14:08:28,429 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 14:08:28,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:08:28,429 INFO L85 PathProgramCache]: Analyzing trace with hash 962888089, now seen corresponding path program 1 times [2022-03-15 14:08:28,429 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:08:28,429 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021255699] [2022-03-15 14:08:28,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:08:28,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:08:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:08:28,577 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 14:08:28,577 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:08:28,577 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021255699] [2022-03-15 14:08:28,577 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021255699] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 14:08:28,578 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343835092] [2022-03-15 14:08:28,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:08:28,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:08:28,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:08:28,579 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 14:08:28,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-15 14:08:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:08:28,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-15 14:08:28,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 14:08:29,351 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-15 14:08:29,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 14:08:29,855 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-15 14:08:29,856 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343835092] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 14:08:29,856 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 14:08:29,856 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2022-03-15 14:08:29,856 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836967997] [2022-03-15 14:08:29,856 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 14:08:29,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 14:08:29,857 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:08:29,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 14:08:29,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2022-03-15 14:08:29,857 INFO L87 Difference]: Start difference. First operand 61097 states and 280412 transitions. Second operand has 19 states, 19 states have (on average 17.789473684210527) internal successors, (338), 19 states have internal predecessors, (338), 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) [2022-03-15 14:08:30,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:08:30,857 INFO L93 Difference]: Finished difference Result 64053 states and 290343 transitions. [2022-03-15 14:08:30,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-15 14:08:30,858 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 17.789473684210527) internal successors, (338), 19 states have internal predecessors, (338), 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 285 [2022-03-15 14:08:30,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:08:31,354 INFO L225 Difference]: With dead ends: 64053 [2022-03-15 14:08:31,355 INFO L226 Difference]: Without dead ends: 61109 [2022-03-15 14:08:31,355 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 587 GetRequests, 560 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=200, Invalid=612, Unknown=0, NotChecked=0, Total=812 [2022-03-15 14:08:31,355 INFO L933 BasicCegarLoop]: 267 mSDtfsCounter, 1185 mSDsluCounter, 2294 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 2427 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 14:08:31,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1185 Valid, 2427 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 14:08:31,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61109 states. [2022-03-15 14:08:33,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61109 to 61104. [2022-03-15 14:08:33,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61104 states, 61103 states have (on average 4.589283668559645) internal successors, (280419), 61103 states have internal predecessors, (280419), 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) [2022-03-15 14:08:33,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61104 states to 61104 states and 280419 transitions. [2022-03-15 14:08:33,831 INFO L78 Accepts]: Start accepts. Automaton has 61104 states and 280419 transitions. Word has length 285 [2022-03-15 14:08:33,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:08:33,831 INFO L470 AbstractCegarLoop]: Abstraction has 61104 states and 280419 transitions. [2022-03-15 14:08:33,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 17.789473684210527) internal successors, (338), 19 states have internal predecessors, (338), 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) [2022-03-15 14:08:33,831 INFO L276 IsEmpty]: Start isEmpty. Operand 61104 states and 280419 transitions. [2022-03-15 14:08:34,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-03-15 14:08:34,057 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:08:34,057 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:08:34,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-03-15 14:08:34,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-03-15 14:08:34,258 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 14:08:34,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:08:34,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1050514064, now seen corresponding path program 2 times [2022-03-15 14:08:34,259 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:08:34,259 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933250826] [2022-03-15 14:08:34,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:08:34,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:08:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:08:34,397 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 14:08:34,397 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:08:34,397 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933250826] [2022-03-15 14:08:34,397 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933250826] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 14:08:34,397 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [627509206] [2022-03-15 14:08:34,397 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 14:08:34,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:08:34,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:08:34,399 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 14:08:34,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-15 14:08:34,588 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-15 14:08:34,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 14:08:34,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 12 conjunts are in the unsatisfiable core [2022-03-15 14:08:34,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 14:08:35,259 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 14:08:35,259 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 14:08:35,942 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 14:08:35,942 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [627509206] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 14:08:35,942 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 14:08:35,942 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2022-03-15 14:08:35,942 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560582179] [2022-03-15 14:08:35,943 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 14:08:35,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-03-15 14:08:35,943 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:08:35,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-03-15 14:08:35,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2022-03-15 14:08:35,944 INFO L87 Difference]: Start difference. First operand 61104 states and 280419 transitions. Second operand has 28 states, 28 states have (on average 13.035714285714286) internal successors, (365), 28 states have internal predecessors, (365), 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) [2022-03-15 14:08:37,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:08:37,340 INFO L93 Difference]: Finished difference Result 64604 states and 292102 transitions. [2022-03-15 14:08:37,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-15 14:08:37,341 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 13.035714285714286) internal successors, (365), 28 states have internal predecessors, (365), 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 292 [2022-03-15 14:08:37,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:08:37,893 INFO L225 Difference]: With dead ends: 64604 [2022-03-15 14:08:37,894 INFO L226 Difference]: Without dead ends: 61116 [2022-03-15 14:08:37,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 612 GetRequests, 568 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 572 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=426, Invalid=1644, Unknown=0, NotChecked=0, Total=2070 [2022-03-15 14:08:37,895 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 1515 mSDsluCounter, 2738 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1515 SdHoareTripleChecker+Valid, 2849 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 14:08:37,895 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1515 Valid, 2849 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-15 14:08:37,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61116 states. [2022-03-15 14:08:39,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61116 to 61111. [2022-03-15 14:08:39,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61111 states, 61110 states have (on average 4.588872524954999) internal successors, (280426), 61110 states have internal predecessors, (280426), 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) [2022-03-15 14:08:40,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61111 states to 61111 states and 280426 transitions. [2022-03-15 14:08:40,266 INFO L78 Accepts]: Start accepts. Automaton has 61111 states and 280426 transitions. Word has length 292 [2022-03-15 14:08:40,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:08:40,267 INFO L470 AbstractCegarLoop]: Abstraction has 61111 states and 280426 transitions. [2022-03-15 14:08:40,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 13.035714285714286) internal successors, (365), 28 states have internal predecessors, (365), 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) [2022-03-15 14:08:40,267 INFO L276 IsEmpty]: Start isEmpty. Operand 61111 states and 280426 transitions. [2022-03-15 14:08:40,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-03-15 14:08:40,471 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:08:40,471 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:08:40,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-15 14:08:40,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-03-15 14:08:40,672 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 14:08:40,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:08:40,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1525493319, now seen corresponding path program 3 times [2022-03-15 14:08:40,672 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:08:40,673 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479634834] [2022-03-15 14:08:40,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:08:40,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:08:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:08:40,894 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-03-15 14:08:40,894 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:08:40,894 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479634834] [2022-03-15 14:08:40,894 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479634834] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 14:08:40,894 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161932906] [2022-03-15 14:08:40,894 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-15 14:08:40,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:08:40,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:08:40,896 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 14:08:40,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-15 14:08:41,111 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-03-15 14:08:41,112 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 14:08:41,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 13 conjunts are in the unsatisfiable core [2022-03-15 14:08:41,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 14:08:41,612 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-03-15 14:08:41,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 14:08:42,143 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-03-15 14:08:42,144 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1161932906] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 14:08:42,144 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 14:08:42,144 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 18 [2022-03-15 14:08:42,146 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145202858] [2022-03-15 14:08:42,146 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 14:08:42,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-15 14:08:42,147 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:08:42,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-15 14:08:42,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2022-03-15 14:08:42,147 INFO L87 Difference]: Start difference. First operand 61111 states and 280426 transitions. Second operand has 18 states, 18 states have (on average 26.72222222222222) internal successors, (481), 18 states have internal predecessors, (481), 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) [2022-03-15 14:08:44,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:08:44,854 INFO L93 Difference]: Finished difference Result 194498 states and 871421 transitions. [2022-03-15 14:08:44,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-15 14:08:44,855 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 26.72222222222222) internal successors, (481), 18 states have internal predecessors, (481), 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 299 [2022-03-15 14:08:44,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:08:46,217 INFO L225 Difference]: With dead ends: 194498 [2022-03-15 14:08:46,217 INFO L226 Difference]: Without dead ends: 164273 [2022-03-15 14:08:46,217 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 621 GetRequests, 585 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=330, Invalid=1076, Unknown=0, NotChecked=0, Total=1406 [2022-03-15 14:08:46,218 INFO L933 BasicCegarLoop]: 288 mSDtfsCounter, 2413 mSDsluCounter, 2303 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2413 SdHoareTripleChecker+Valid, 2333 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 14:08:46,218 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2413 Valid, 2333 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 14:08:46,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164273 states. [2022-03-15 14:08:50,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164273 to 112106. [2022-03-15 14:08:51,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112106 states, 112105 states have (on average 4.703376299005397) internal successors, (527272), 112105 states have internal predecessors, (527272), 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) [2022-03-15 14:08:51,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112106 states to 112106 states and 527272 transitions. [2022-03-15 14:08:51,999 INFO L78 Accepts]: Start accepts. Automaton has 112106 states and 527272 transitions. Word has length 299 [2022-03-15 14:08:51,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:08:51,999 INFO L470 AbstractCegarLoop]: Abstraction has 112106 states and 527272 transitions. [2022-03-15 14:08:51,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 26.72222222222222) internal successors, (481), 18 states have internal predecessors, (481), 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) [2022-03-15 14:08:51,999 INFO L276 IsEmpty]: Start isEmpty. Operand 112106 states and 527272 transitions. [2022-03-15 14:08:52,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-03-15 14:08:52,646 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:08:52,646 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:08:52,664 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-15 14:08:52,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:08:52,847 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 14:08:52,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:08:52,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1770452744, now seen corresponding path program 1 times [2022-03-15 14:08:52,848 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:08:52,848 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693122810] [2022-03-15 14:08:52,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:08:52,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:08:52,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:08:53,024 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-03-15 14:08:53,024 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:08:53,024 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693122810] [2022-03-15 14:08:53,024 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693122810] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 14:08:53,024 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541993678] [2022-03-15 14:08:53,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:08:53,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:08:53,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:08:53,026 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 14:08:53,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-15 14:08:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:08:53,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 14 conjunts are in the unsatisfiable core [2022-03-15 14:08:53,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 14:08:53,736 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-03-15 14:08:53,736 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 14:08:54,539 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-03-15 14:08:54,539 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541993678] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 14:08:54,539 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 14:08:54,539 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 11, 11] total 22 [2022-03-15 14:08:54,539 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903941467] [2022-03-15 14:08:54,540 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 14:08:54,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-03-15 14:08:54,540 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:08:54,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-03-15 14:08:54,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2022-03-15 14:08:54,541 INFO L87 Difference]: Start difference. First operand 112106 states and 527272 transitions. Second operand has 22 states, 22 states have (on average 20.818181818181817) internal successors, (458), 22 states have internal predecessors, (458), 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) [2022-03-15 14:09:01,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 14:09:01,023 INFO L93 Difference]: Finished difference Result 418986 states and 1958561 transitions. [2022-03-15 14:09:01,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-15 14:09:01,023 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 20.818181818181817) internal successors, (458), 22 states have internal predecessors, (458), 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 306 [2022-03-15 14:09:01,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 14:09:05,768 INFO L225 Difference]: With dead ends: 418986 [2022-03-15 14:09:05,768 INFO L226 Difference]: Without dead ends: 378226 [2022-03-15 14:09:05,769 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 629 GetRequests, 595 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=341, Invalid=919, Unknown=0, NotChecked=0, Total=1260 [2022-03-15 14:09:05,769 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 1362 mSDsluCounter, 2320 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1362 SdHoareTripleChecker+Valid, 2399 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 14:09:05,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1362 Valid, 2399 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 14:09:07,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378226 states. [2022-03-15 14:09:17,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378226 to 225218. [2022-03-15 14:09:18,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225218 states, 225217 states have (on average 4.786028585763952) internal successors, (1077895), 225217 states have internal predecessors, (1077895), 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) [2022-03-15 14:09:20,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225218 states to 225218 states and 1077895 transitions. [2022-03-15 14:09:20,498 INFO L78 Accepts]: Start accepts. Automaton has 225218 states and 1077895 transitions. Word has length 306 [2022-03-15 14:09:20,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 14:09:20,498 INFO L470 AbstractCegarLoop]: Abstraction has 225218 states and 1077895 transitions. [2022-03-15 14:09:20,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 20.818181818181817) internal successors, (458), 22 states have internal predecessors, (458), 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) [2022-03-15 14:09:20,499 INFO L276 IsEmpty]: Start isEmpty. Operand 225218 states and 1077895 transitions. [2022-03-15 14:09:21,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-03-15 14:09:21,019 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 14:09:21,019 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 14:09:21,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-15 14:09:21,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-03-15 14:09:21,220 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 14:09:21,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 14:09:21,220 INFO L85 PathProgramCache]: Analyzing trace with hash -427121386, now seen corresponding path program 1 times [2022-03-15 14:09:21,221 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 14:09:21,221 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589191794] [2022-03-15 14:09:21,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:09:21,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 14:09:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:09:32,107 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:09:32,107 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 14:09:32,107 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589191794] [2022-03-15 14:09:32,107 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589191794] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 14:09:32,107 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194859375] [2022-03-15 14:09:32,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 14:09:32,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 14:09:32,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 14:09:32,109 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 14:09:32,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-15 14:09:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 14:09:32,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 166 conjunts are in the unsatisfiable core [2022-03-15 14:09:32,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 14:09:44,709 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:09:44,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 14:09:50,575 INFO L353 Elim1Store]: treesize reduction 237, result has 80.6 percent of original size [2022-03-15 14:09:50,576 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 204 treesize of output 1027 [2022-03-15 14:10:34,292 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 14:10:34,292 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194859375] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 14:10:34,292 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 14:10:34,292 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 69, 53] total 184 [2022-03-15 14:10:34,293 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533721519] [2022-03-15 14:10:34,293 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 14:10:34,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 184 states [2022-03-15 14:10:34,294 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 14:10:34,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 184 interpolants. [2022-03-15 14:10:34,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3859, Invalid=29813, Unknown=0, NotChecked=0, Total=33672 [2022-03-15 14:10:34,302 INFO L87 Difference]: Start difference. First operand 225218 states and 1077895 transitions. Second operand has 184 states, 184 states have (on average 4.505434782608695) internal successors, (829), 184 states have internal predecessors, (829), 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)