./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c328ca6a6071aea6db12d1e311bd2e5e22fce6c700c884e61df52925e139f834 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 03:05:44,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 03:05:44,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 03:05:44,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 03:05:44,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 03:05:44,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 03:05:44,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 03:05:44,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 03:05:44,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 03:05:44,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 03:05:44,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 03:05:44,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 03:05:44,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 03:05:44,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 03:05:44,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 03:05:44,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 03:05:44,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 03:05:44,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 03:05:44,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 03:05:44,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 03:05:44,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 03:05:44,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 03:05:44,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 03:05:44,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 03:05:45,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 03:05:45,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 03:05:45,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 03:05:45,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 03:05:45,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 03:05:45,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 03:05:45,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 03:05:45,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 03:05:45,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 03:05:45,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 03:05:45,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 03:05:45,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 03:05:45,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 03:05:45,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 03:05:45,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 03:05:45,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 03:05:45,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 03:05:45,014 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-28 03:05:45,051 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 03:05:45,051 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 03:05:45,052 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 03:05:45,053 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 03:05:45,053 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 03:05:45,053 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 03:05:45,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 03:05:45,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 03:05:45,055 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 03:05:45,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 03:05:45,056 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 03:05:45,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 03:05:45,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 03:05:45,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 03:05:45,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 03:05:45,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 03:05:45,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 03:05:45,057 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 03:05:45,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 03:05:45,057 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 03:05:45,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 03:05:45,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 03:05:45,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 03:05:45,058 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 03:05:45,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 03:05:45,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 03:05:45,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 03:05:45,058 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 03:05:45,058 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 03:05:45,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 03:05:45,059 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 03:05:45,059 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 03:05:45,059 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 03:05:45,059 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c328ca6a6071aea6db12d1e311bd2e5e22fce6c700c884e61df52925e139f834 [2021-12-28 03:05:45,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 03:05:45,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 03:05:45,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 03:05:45,350 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 03:05:45,363 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 03:05:45,365 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c [2021-12-28 03:05:45,406 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6889363e/9ef9d3423b0a42f8be79ea0f409f5465/FLAG4199acb15 [2021-12-28 03:05:45,787 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 03:05:45,787 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c [2021-12-28 03:05:45,794 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6889363e/9ef9d3423b0a42f8be79ea0f409f5465/FLAG4199acb15 [2021-12-28 03:05:46,186 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6889363e/9ef9d3423b0a42f8be79ea0f409f5465 [2021-12-28 03:05:46,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 03:05:46,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 03:05:46,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 03:05:46,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 03:05:46,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 03:05:46,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:05:46" (1/1) ... [2021-12-28 03:05:46,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@241756f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:05:46, skipping insertion in model container [2021-12-28 03:05:46,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:05:46" (1/1) ... [2021-12-28 03:05:46,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 03:05:46,218 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 03:05:46,319 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c[2835,2848] [2021-12-28 03:05:46,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 03:05:46,330 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 03:05:46,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c[2835,2848] [2021-12-28 03:05:46,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 03:05:46,415 INFO L208 MainTranslator]: Completed translation [2021-12-28 03:05:46,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:05:46 WrapperNode [2021-12-28 03:05:46,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 03:05:46,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 03:05:46,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 03:05:46,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 03:05:46,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:05:46" (1/1) ... [2021-12-28 03:05:46,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:05:46" (1/1) ... [2021-12-28 03:05:46,476 INFO L137 Inliner]: procedures = 25, calls = 58, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 280 [2021-12-28 03:05:46,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 03:05:46,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 03:05:46,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 03:05:46,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 03:05:46,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:05:46" (1/1) ... [2021-12-28 03:05:46,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:05:46" (1/1) ... [2021-12-28 03:05:46,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:05:46" (1/1) ... [2021-12-28 03:05:46,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:05:46" (1/1) ... [2021-12-28 03:05:46,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:05:46" (1/1) ... [2021-12-28 03:05:46,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:05:46" (1/1) ... [2021-12-28 03:05:46,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:05:46" (1/1) ... [2021-12-28 03:05:46,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 03:05:46,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 03:05:46,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 03:05:46,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 03:05:46,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:05:46" (1/1) ... [2021-12-28 03:05:46,528 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 03:05:46,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 03:05:46,567 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 03:05:46,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 03:05:46,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 03:05:46,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 03:05:46,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 03:05:46,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 03:05:46,598 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-12-28 03:05:46,598 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-12-28 03:05:46,598 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-12-28 03:05:46,599 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-12-28 03:05:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-12-28 03:05:46,599 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-12-28 03:05:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 03:05:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-28 03:05:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-28 03:05:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 03:05:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 03:05:46,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 03:05:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 03:05:46,601 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-28 03:05:46,680 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 03:05:46,681 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 03:05:47,086 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 03:05:47,219 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 03:05:47,220 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-28 03:05:47,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:05:47 BoogieIcfgContainer [2021-12-28 03:05:47,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 03:05:47,223 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 03:05:47,223 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 03:05:47,225 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 03:05:47,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 03:05:46" (1/3) ... [2021-12-28 03:05:47,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53c8f0a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:05:47, skipping insertion in model container [2021-12-28 03:05:47,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:05:46" (2/3) ... [2021-12-28 03:05:47,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53c8f0a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:05:47, skipping insertion in model container [2021-12-28 03:05:47,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:05:47" (3/3) ... [2021-12-28 03:05:47,227 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum.wvr.c [2021-12-28 03:05:47,230 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-28 03:05:47,230 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 03:05:47,230 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 03:05:47,230 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-28 03:05:47,280 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,281 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,281 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,281 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,282 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,282 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,282 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,282 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,282 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,282 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,283 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,283 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,283 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,294 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,294 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,294 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,294 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,294 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,294 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,294 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,295 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,295 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,295 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,296 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,296 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,296 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,296 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,296 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,296 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,296 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,297 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,297 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,297 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,297 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,297 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,297 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,298 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,298 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,298 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,299 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,299 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,299 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,299 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,299 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,299 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,300 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,300 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,300 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,301 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,301 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,301 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,301 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,301 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,302 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,302 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,302 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,302 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,302 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,302 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,303 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,303 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,303 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,303 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,303 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,303 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,303 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,304 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,304 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,304 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,304 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,304 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,305 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,305 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,305 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,305 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,305 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,306 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,306 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,306 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,306 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,306 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,306 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,306 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,309 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,310 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,310 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,310 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,311 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,311 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,311 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,311 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,311 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,311 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,312 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,312 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,312 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,324 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,325 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,325 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,325 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,325 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,325 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,325 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,325 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,325 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,326 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,326 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,326 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,326 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,326 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,326 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,326 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,326 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,326 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,326 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,326 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~tmp~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,326 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,326 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,326 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,327 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,327 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,327 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,327 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,327 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,327 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,327 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,327 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,328 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,328 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~tmp~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,328 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,328 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,328 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,328 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~tmp~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,328 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~tmp~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,328 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,329 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,329 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,329 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,329 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,329 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,329 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,329 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,329 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,329 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,340 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,340 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,340 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,340 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,341 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,341 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,341 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,341 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,341 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,341 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,342 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,342 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,342 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,342 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,342 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,342 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,343 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,343 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,343 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,345 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,345 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,345 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,345 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,346 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,346 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,346 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~tmp~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,346 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,346 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,346 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,346 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,347 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,347 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,347 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,347 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,348 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,348 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,348 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,348 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,348 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,348 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,349 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,349 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,349 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,349 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,349 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,350 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,350 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,350 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 03:05:47,352 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-12-28 03:05:47,397 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 03:05:47,406 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 03:05:47,406 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-28 03:05:47,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 190 places, 196 transitions, 416 flow [2021-12-28 03:05:47,485 INFO L129 PetriNetUnfolder]: 16/193 cut-off events. [2021-12-28 03:05:47,485 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-28 03:05:47,489 INFO L84 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 193 events. 16/193 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 110 event pairs, 0 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 154. Up to 2 conditions per place. [2021-12-28 03:05:47,489 INFO L82 GeneralOperation]: Start removeDead. Operand has 190 places, 196 transitions, 416 flow [2021-12-28 03:05:47,493 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 176 places, 182 transitions, 382 flow [2021-12-28 03:05:47,524 INFO L129 PetriNetUnfolder]: 16/181 cut-off events. [2021-12-28 03:05:47,524 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-28 03:05:47,524 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 03:05:47,524 INFO L254 CegarLoopForPetriNet]: 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] [2021-12-28 03:05:47,525 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-28 03:05:47,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:05:47,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1467499087, now seen corresponding path program 1 times [2021-12-28 03:05:47,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:05:47,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869946241] [2021-12-28 03:05:47,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:05:47,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:05:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:05:47,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 03:05:47,702 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:05:47,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869946241] [2021-12-28 03:05:47,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869946241] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:05:47,706 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:05:47,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-28 03:05:47,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254273935] [2021-12-28 03:05:47,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:05:47,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-28 03:05:47,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:05:47,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-28 03:05:47,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-28 03:05:47,737 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 196 [2021-12-28 03:05:47,742 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 182 transitions, 382 flow. Second operand has 2 states, 2 states have (on average 179.5) internal successors, (359), 2 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 03:05:47,743 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 03:05:47,743 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 196 [2021-12-28 03:05:47,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 03:05:47,839 INFO L129 PetriNetUnfolder]: 42/316 cut-off events. [2021-12-28 03:05:47,839 INFO L130 PetriNetUnfolder]: For 49/50 co-relation queries the response was YES. [2021-12-28 03:05:47,843 INFO L84 FinitePrefix]: Finished finitePrefix Result has 407 conditions, 316 events. 42/316 cut-off events. For 49/50 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 812 event pairs, 15 based on Foata normal form. 42/325 useless extension candidates. Maximal degree in co-relation 229. Up to 59 conditions per place. [2021-12-28 03:05:47,845 INFO L132 encePairwiseOnDemand]: 185/196 looper letters, 9 selfloop transitions, 0 changer transitions 6/171 dead transitions. [2021-12-28 03:05:47,845 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 171 transitions, 378 flow [2021-12-28 03:05:47,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-28 03:05:47,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-28 03:05:47,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 370 transitions. [2021-12-28 03:05:47,859 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9438775510204082 [2021-12-28 03:05:47,859 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 370 transitions. [2021-12-28 03:05:47,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 370 transitions. [2021-12-28 03:05:47,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 03:05:47,863 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 370 transitions. [2021-12-28 03:05:47,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 185.0) internal successors, (370), 2 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 03:05:47,872 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 03:05:47,873 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 03:05:47,874 INFO L186 Difference]: Start difference. First operand has 176 places, 182 transitions, 382 flow. Second operand 2 states and 370 transitions. [2021-12-28 03:05:47,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 171 transitions, 378 flow [2021-12-28 03:05:47,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 171 transitions, 366 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-12-28 03:05:47,898 INFO L242 Difference]: Finished difference. Result has 171 places, 165 transitions, 336 flow [2021-12-28 03:05:47,900 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=336, PETRI_PLACES=171, PETRI_TRANSITIONS=165} [2021-12-28 03:05:47,903 INFO L334 CegarLoopForPetriNet]: 176 programPoint places, -5 predicate places. [2021-12-28 03:05:47,903 INFO L470 AbstractCegarLoop]: Abstraction has has 171 places, 165 transitions, 336 flow [2021-12-28 03:05:47,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 179.5) internal successors, (359), 2 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 03:05:47,904 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 03:05:47,905 INFO L254 CegarLoopForPetriNet]: 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] [2021-12-28 03:05:47,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 03:05:47,905 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-28 03:05:47,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:05:47,906 INFO L85 PathProgramCache]: Analyzing trace with hash -2054653840, now seen corresponding path program 1 times [2021-12-28 03:05:47,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:05:47,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221694644] [2021-12-28 03:05:47,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:05:47,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:05:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:05:48,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 03:05:48,178 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:05:48,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221694644] [2021-12-28 03:05:48,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221694644] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:05:48,178 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:05:48,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 03:05:48,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438274104] [2021-12-28 03:05:48,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:05:48,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 03:05:48,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:05:48,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 03:05:48,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 03:05:48,181 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 196 [2021-12-28 03:05:48,182 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 165 transitions, 336 flow. Second operand has 6 states, 6 states have (on average 136.66666666666666) internal successors, (820), 6 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 03:05:48,182 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 03:05:48,182 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 196 [2021-12-28 03:05:48,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 03:05:48,358 INFO L129 PetriNetUnfolder]: 396/884 cut-off events. [2021-12-28 03:05:48,358 INFO L130 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2021-12-28 03:05:48,359 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1498 conditions, 884 events. 396/884 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3802 event pairs, 109 based on Foata normal form. 0/686 useless extension candidates. Maximal degree in co-relation 1495. Up to 305 conditions per place. [2021-12-28 03:05:48,363 INFO L132 encePairwiseOnDemand]: 189/196 looper letters, 51 selfloop transitions, 6 changer transitions 0/174 dead transitions. [2021-12-28 03:05:48,363 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 174 transitions, 470 flow [2021-12-28 03:05:48,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-28 03:05:48,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-28 03:05:48,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 838 transitions. [2021-12-28 03:05:48,377 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7125850340136054 [2021-12-28 03:05:48,377 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 838 transitions. [2021-12-28 03:05:48,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 838 transitions. [2021-12-28 03:05:48,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 03:05:48,377 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 838 transitions. [2021-12-28 03:05:48,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 139.66666666666666) internal successors, (838), 6 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 03:05:48,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 196.0) internal successors, (1372), 7 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 03:05:48,382 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 196.0) internal successors, (1372), 7 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 03:05:48,382 INFO L186 Difference]: Start difference. First operand has 171 places, 165 transitions, 336 flow. Second operand 6 states and 838 transitions. [2021-12-28 03:05:48,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 174 transitions, 470 flow [2021-12-28 03:05:48,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 174 transitions, 470 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-28 03:05:48,385 INFO L242 Difference]: Finished difference. Result has 172 places, 166 transitions, 361 flow [2021-12-28 03:05:48,386 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=361, PETRI_PLACES=172, PETRI_TRANSITIONS=166} [2021-12-28 03:05:48,386 INFO L334 CegarLoopForPetriNet]: 176 programPoint places, -4 predicate places. [2021-12-28 03:05:48,386 INFO L470 AbstractCegarLoop]: Abstraction has has 172 places, 166 transitions, 361 flow [2021-12-28 03:05:48,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 136.66666666666666) internal successors, (820), 6 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 03:05:48,387 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 03:05:48,387 INFO L254 CegarLoopForPetriNet]: 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] [2021-12-28 03:05:48,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 03:05:48,387 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-28 03:05:48,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:05:48,388 INFO L85 PathProgramCache]: Analyzing trace with hash -450776262, now seen corresponding path program 1 times [2021-12-28 03:05:48,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:05:48,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331564128] [2021-12-28 03:05:48,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:05:48,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:05:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:05:48,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 03:05:48,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:05:48,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331564128] [2021-12-28 03:05:48,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331564128] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:05:48,553 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:05:48,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-28 03:05:48,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284976372] [2021-12-28 03:05:48,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:05:48,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-28 03:05:48,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:05:48,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-28 03:05:48,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-28 03:05:48,556 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 196 [2021-12-28 03:05:48,557 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 166 transitions, 361 flow. Second operand has 9 states, 9 states have (on average 118.0) internal successors, (1062), 9 states have internal predecessors, (1062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 03:05:48,557 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 03:05:48,557 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 196 [2021-12-28 03:05:48,557 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 03:05:48,793 INFO L129 PetriNetUnfolder]: 398/910 cut-off events. [2021-12-28 03:05:48,793 INFO L130 PetriNetUnfolder]: For 204/204 co-relation queries the response was YES. [2021-12-28 03:05:48,795 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1749 conditions, 910 events. 398/910 cut-off events. For 204/204 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3696 event pairs, 199 based on Foata normal form. 1/721 useless extension candidates. Maximal degree in co-relation 1743. Up to 525 conditions per place. [2021-12-28 03:05:48,799 INFO L132 encePairwiseOnDemand]: 180/196 looper letters, 72 selfloop transitions, 11 changer transitions 23/205 dead transitions. [2021-12-28 03:05:48,799 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 205 transitions, 657 flow [2021-12-28 03:05:48,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 03:05:48,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-28 03:05:48,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1114 transitions. [2021-12-28 03:05:48,801 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6315192743764172 [2021-12-28 03:05:48,801 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1114 transitions. [2021-12-28 03:05:48,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1114 transitions. [2021-12-28 03:05:48,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 03:05:48,801 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1114 transitions. [2021-12-28 03:05:48,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 123.77777777777777) internal successors, (1114), 9 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 03:05:48,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 196.0) internal successors, (1960), 10 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 03:05:48,806 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 196.0) internal successors, (1960), 10 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 03:05:48,806 INFO L186 Difference]: Start difference. First operand has 172 places, 166 transitions, 361 flow. Second operand 9 states and 1114 transitions. [2021-12-28 03:05:48,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 205 transitions, 657 flow [2021-12-28 03:05:48,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 205 transitions, 645 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-28 03:05:48,810 INFO L242 Difference]: Finished difference. Result has 180 places, 168 transitions, 399 flow [2021-12-28 03:05:48,810 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=353, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=399, PETRI_PLACES=180, PETRI_TRANSITIONS=168} [2021-12-28 03:05:48,811 INFO L334 CegarLoopForPetriNet]: 176 programPoint places, 4 predicate places. [2021-12-28 03:05:48,811 INFO L470 AbstractCegarLoop]: Abstraction has has 180 places, 168 transitions, 399 flow [2021-12-28 03:05:48,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 118.0) internal successors, (1062), 9 states have internal predecessors, (1062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 03:05:48,811 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 03:05:48,811 INFO L254 CegarLoopForPetriNet]: 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] [2021-12-28 03:05:48,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 03:05:48,812 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-28 03:05:48,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:05:48,812 INFO L85 PathProgramCache]: Analyzing trace with hash -2061839142, now seen corresponding path program 1 times [2021-12-28 03:05:48,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:05:48,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037418226] [2021-12-28 03:05:48,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:05:48,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:05:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:05:48,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-28 03:05:48,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:05:48,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037418226] [2021-12-28 03:05:48,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037418226] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 03:05:48,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903242222] [2021-12-28 03:05:48,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:05:48,894 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 03:05:48,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 03:05:48,900 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) [2021-12-28 03:05:48,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-28 03:05:49,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:05:49,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-28 03:05:49,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 03:05:49,336 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-28 03:05:49,336 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 03:05:49,623 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-28 03:05:49,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903242222] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-28 03:05:49,624 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-28 03:05:49,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2021-12-28 03:05:49,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159625178] [2021-12-28 03:05:49,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:05:49,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 03:05:49,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:05:49,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 03:05:49,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-12-28 03:05:49,626 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 196 [2021-12-28 03:05:49,627 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 168 transitions, 399 flow. Second operand has 7 states, 7 states have (on average 146.42857142857142) internal successors, (1025), 7 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 03:05:49,627 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 03:05:49,627 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 196 [2021-12-28 03:05:49,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 03:05:49,746 INFO L129 PetriNetUnfolder]: 171/653 cut-off events. [2021-12-28 03:05:49,746 INFO L130 PetriNetUnfolder]: For 160/180 co-relation queries the response was YES. [2021-12-28 03:05:49,748 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1106 conditions, 653 events. 171/653 cut-off events. For 160/180 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3024 event pairs, 80 based on Foata normal form. 20/627 useless extension candidates. Maximal degree in co-relation 1096. Up to 148 conditions per place. [2021-12-28 03:05:49,750 INFO L132 encePairwiseOnDemand]: 188/196 looper letters, 48 selfloop transitions, 7 changer transitions 0/177 dead transitions. [2021-12-28 03:05:49,750 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 177 transitions, 538 flow [2021-12-28 03:05:49,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 03:05:49,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-28 03:05:49,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1039 transitions. [2021-12-28 03:05:49,752 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7572886297376094 [2021-12-28 03:05:49,752 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1039 transitions. [2021-12-28 03:05:49,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1039 transitions. [2021-12-28 03:05:49,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 03:05:49,753 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1039 transitions. [2021-12-28 03:05:49,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 148.42857142857142) internal successors, (1039), 7 states have internal predecessors, (1039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 03:05:49,756 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 196.0) internal successors, (1568), 8 states have internal predecessors, (1568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 03:05:49,756 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 196.0) internal successors, (1568), 8 states have internal predecessors, (1568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 03:05:49,757 INFO L186 Difference]: Start difference. First operand has 180 places, 168 transitions, 399 flow. Second operand 7 states and 1039 transitions. [2021-12-28 03:05:49,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 177 transitions, 538 flow [2021-12-28 03:05:49,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 177 transitions, 512 flow, removed 3 selfloop flow, removed 7 redundant places. [2021-12-28 03:05:49,760 INFO L242 Difference]: Finished difference. Result has 180 places, 170 transitions, 407 flow [2021-12-28 03:05:49,761 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=374, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=407, PETRI_PLACES=180, PETRI_TRANSITIONS=170} [2021-12-28 03:05:49,761 INFO L334 CegarLoopForPetriNet]: 176 programPoint places, 4 predicate places. [2021-12-28 03:05:49,761 INFO L470 AbstractCegarLoop]: Abstraction has has 180 places, 170 transitions, 407 flow [2021-12-28 03:05:49,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 146.42857142857142) internal successors, (1025), 7 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 03:05:49,762 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 03:05:49,762 INFO L254 CegarLoopForPetriNet]: 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] [2021-12-28 03:05:49,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-28 03:05:49,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 03:05:49,980 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-28 03:05:49,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:05:49,980 INFO L85 PathProgramCache]: Analyzing trace with hash -880522480, now seen corresponding path program 1 times [2021-12-28 03:05:49,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:05:49,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958331286] [2021-12-28 03:05:49,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:05:49,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:05:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:05:51,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 03:05:51,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:05:51,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958331286] [2021-12-28 03:05:51,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958331286] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 03:05:51,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43862326] [2021-12-28 03:05:51,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:05:51,551 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 03:05:51,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 03:05:51,552 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-28 03:05:51,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-28 03:05:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:05:51,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 78 conjunts are in the unsatisfiable core [2021-12-28 03:05:51,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 03:05:53,749 INFO L353 Elim1Store]: treesize reduction 28, result has 56.9 percent of original size [2021-12-28 03:05:53,750 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 57 [2021-12-28 03:05:54,126 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-28 03:05:54,127 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 03:05:54,934 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-28 03:05:54,934 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 83 treesize of output 128 [2021-12-28 03:05:56,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-28 03:05:56,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [43862326] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-28 03:05:56,331 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-28 03:05:56,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 34, 23] total 79 [2021-12-28 03:05:56,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328230983] [2021-12-28 03:05:56,332 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-28 03:05:56,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2021-12-28 03:05:56,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:05:56,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2021-12-28 03:05:56,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=753, Invalid=5409, Unknown=0, NotChecked=0, Total=6162 [2021-12-28 03:05:56,343 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 196 [2021-12-28 03:05:56,347 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 170 transitions, 407 flow. Second operand has 79 states, 79 states have (on average 63.48101265822785) internal successors, (5015), 79 states have internal predecessors, (5015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 03:05:56,347 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 03:05:56,347 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 196 [2021-12-28 03:05:56,347 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 03:06:11,020 INFO L129 PetriNetUnfolder]: 15059/23794 cut-off events. [2021-12-28 03:06:11,020 INFO L130 PetriNetUnfolder]: For 8775/8775 co-relation queries the response was YES. [2021-12-28 03:06:11,066 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53434 conditions, 23794 events. 15059/23794 cut-off events. For 8775/8775 co-relation queries the response was YES. Maximal size of possible extension queue 1087. Compared 175156 event pairs, 1404 based on Foata normal form. 2/22420 useless extension candidates. Maximal degree in co-relation 53424. Up to 5409 conditions per place. [2021-12-28 03:06:11,167 INFO L132 encePairwiseOnDemand]: 140/196 looper letters, 750 selfloop transitions, 284 changer transitions 15/1102 dead transitions. [2021-12-28 03:06:11,167 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 1102 transitions, 4988 flow [2021-12-28 03:06:11,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-12-28 03:06:11,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2021-12-28 03:06:11,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 7408 transitions. [2021-12-28 03:06:11,185 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.35656526761648055 [2021-12-28 03:06:11,185 INFO L72 ComplementDD]: Start complementDD. Operand 106 states and 7408 transitions. [2021-12-28 03:06:11,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 106 states and 7408 transitions. [2021-12-28 03:06:11,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 03:06:11,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 106 states and 7408 transitions. [2021-12-28 03:06:11,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 107 states, 106 states have (on average 69.88679245283019) internal successors, (7408), 106 states have internal predecessors, (7408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 03:06:11,225 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 107 states, 107 states have (on average 196.0) internal successors, (20972), 107 states have internal predecessors, (20972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 03:06:11,229 INFO L81 ComplementDD]: Finished complementDD. Result has 107 states, 107 states have (on average 196.0) internal successors, (20972), 107 states have internal predecessors, (20972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 03:06:11,229 INFO L186 Difference]: Start difference. First operand has 180 places, 170 transitions, 407 flow. Second operand 106 states and 7408 transitions. [2021-12-28 03:06:11,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 1102 transitions, 4988 flow [2021-12-28 03:06:11,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 1102 transitions, 4913 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-28 03:06:11,290 INFO L242 Difference]: Finished difference. Result has 346 places, 454 transitions, 2337 flow [2021-12-28 03:06:11,290 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=399, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=106, PETRI_FLOW=2337, PETRI_PLACES=346, PETRI_TRANSITIONS=454} [2021-12-28 03:06:11,292 INFO L334 CegarLoopForPetriNet]: 176 programPoint places, 170 predicate places. [2021-12-28 03:06:11,292 INFO L470 AbstractCegarLoop]: Abstraction has has 346 places, 454 transitions, 2337 flow [2021-12-28 03:06:11,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 63.48101265822785) internal successors, (5015), 79 states have internal predecessors, (5015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 03:06:11,294 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 03:06:11,294 INFO L254 CegarLoopForPetriNet]: 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] [2021-12-28 03:06:11,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-28 03:06:11,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 03:06:11,513 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-28 03:06:11,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:06:11,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1008029996, now seen corresponding path program 2 times [2021-12-28 03:06:11,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:06:11,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683848739] [2021-12-28 03:06:11,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:06:11,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:06:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:06:13,232 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 03:06:13,232 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:06:13,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683848739] [2021-12-28 03:06:13,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683848739] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-28 03:06:13,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339406320] [2021-12-28 03:06:13,233 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-28 03:06:13,233 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-28 03:06:13,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 03:06:13,234 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-28 03:06:13,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-28 03:06:13,350 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-28 03:06:13,350 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-28 03:06:13,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 102 conjunts are in the unsatisfiable core [2021-12-28 03:06:13,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-28 03:06:13,731 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-28 03:06:13,924 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-28 03:06:14,476 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-28 03:06:14,476 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-12-28 03:06:14,846 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-12-28 03:06:15,703 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-28 03:06:15,909 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-28 03:06:16,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-28 03:06:16,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-28 03:06:16,286 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 25 [2021-12-28 03:06:16,423 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-28 03:06:16,423 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 40 [2021-12-28 03:06:16,800 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 03:06:16,800 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-28 03:06:17,201 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (<= (+ 2 ~M~0) c_~N~0) (and (forall ((v_ArrVal_176 (Array Int Int))) (<= (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse1 (* ~M~0 4))) (+ c_~res2~0 (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)) (select (select .cse0 c_~B~0.base) (+ .cse1 c_~B~0.offset)))) c_~res1~0)) (forall ((v_ArrVal_176 (Array Int Int))) (<= c_~res1~0 (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse3 (* ~M~0 4))) (+ c_~res2~0 (select (select .cse2 c_~A~0.base) (+ c_~A~0.offset .cse3)) (select (select .cse2 c_~B~0.base) (+ .cse3 c_~B~0.offset))))))) (not (< ~M~0 c_~N~0)))) is different from false [2021-12-28 03:06:17,439 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (<= (+ 2 ~M~0) c_~N~0) (and (forall ((v_ArrVal_176 (Array Int Int))) (<= |c_thread1Thread1of1ForFork2_~tmp~0#1| (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse1 (* ~M~0 4))) (+ c_~res2~0 (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)) (select (select .cse0 c_~B~0.base) (+ .cse1 c_~B~0.offset)))))) (forall ((v_ArrVal_176 (Array Int Int))) (<= (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse3 (* ~M~0 4))) (+ c_~res2~0 (select (select .cse2 c_~A~0.base) (+ c_~A~0.offset .cse3)) (select (select .cse2 c_~B~0.base) (+ .cse3 c_~B~0.offset)))) |c_thread1Thread1of1ForFork2_~tmp~0#1|))) (not (< ~M~0 c_~N~0)))) is different from false [2021-12-28 03:06:17,466 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (<= (+ 2 ~M~0) c_~N~0) (not (< ~M~0 c_~N~0)) (and (forall ((v_ArrVal_176 (Array Int Int))) (<= (let ((.cse0 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) (+ (select (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset .cse0)) (select (select |c_#memory_int| c_~B~0.base) (+ c_~B~0.offset .cse0)) c_~res1~0)) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse2 (* ~M~0 4))) (+ c_~res2~0 (select (select .cse1 c_~A~0.base) (+ c_~A~0.offset .cse2)) (select (select .cse1 c_~B~0.base) (+ .cse2 c_~B~0.offset)))))) (forall ((v_ArrVal_176 (Array Int Int))) (<= (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse4 (* ~M~0 4))) (+ c_~res2~0 (select (select .cse3 c_~A~0.base) (+ c_~A~0.offset .cse4)) (select (select .cse3 c_~B~0.base) (+ .cse4 c_~B~0.offset)))) (let ((.cse5 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) (+ (select (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset .cse5)) (select (select |c_#memory_int| c_~B~0.base) (+ c_~B~0.offset .cse5)) c_~res1~0))))))) is different from false [2021-12-28 03:06:17,634 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (<= (+ 2 ~M~0) c_~N~0) (not (< ~M~0 c_~N~0)) (and (forall ((v_ArrVal_175 (Array Int Int)) (v_ArrVal_176 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_175))) (<= (let ((.cse0 (store .cse2 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse1 (* ~M~0 4))) (+ c_~res2~0 (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)) (select (select .cse0 c_~B~0.base) (+ .cse1 c_~B~0.offset)))) (let ((.cse3 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) (+ (select (select .cse2 c_~B~0.base) (+ c_~B~0.offset .cse3)) (select (select .cse2 c_~A~0.base) (+ c_~A~0.offset .cse3)) c_~res1~0))))) (forall ((v_ArrVal_175 (Array Int Int)) (v_ArrVal_176 (Array Int Int))) (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_175))) (<= (let ((.cse5 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) (+ (select (select .cse4 c_~B~0.base) (+ c_~B~0.offset .cse5)) (select (select .cse4 c_~A~0.base) (+ c_~A~0.offset .cse5)) c_~res1~0)) (let ((.cse6 (store .cse4 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse7 (* ~M~0 4))) (+ c_~res2~0 (select (select .cse6 c_~A~0.base) (+ c_~A~0.offset .cse7)) (select (select .cse6 c_~B~0.base) (+ .cse7 c_~B~0.offset)))))))))) is different from false [2021-12-28 03:06:17,760 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (<= (+ 2 ~M~0) c_~N~0) (not (< ~M~0 c_~N~0)) (and (forall ((v_ArrVal_175 (Array Int Int)) (v_ArrVal_176 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_175))) (<= (+ (select (select .cse0 c_~A~0.base) c_~A~0.offset) c_~res1~0 (select (select .cse0 c_~B~0.base) c_~B~0.offset)) (let ((.cse1 (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse2 (* ~M~0 4))) (+ c_~res2~0 (select (select .cse1 c_~A~0.base) (+ c_~A~0.offset .cse2)) (select (select .cse1 c_~B~0.base) (+ .cse2 c_~B~0.offset))))))) (forall ((v_ArrVal_175 (Array Int Int)) (v_ArrVal_176 (Array Int Int))) (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_175))) (<= (let ((.cse3 (store .cse5 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse4 (* ~M~0 4))) (+ c_~res2~0 (select (select .cse3 c_~A~0.base) (+ c_~A~0.offset .cse4)) (select (select .cse3 c_~B~0.base) (+ .cse4 c_~B~0.offset)))) (+ (select (select .cse5 c_~A~0.base) c_~A~0.offset) c_~res1~0 (select (select .cse5 c_~B~0.base) c_~B~0.offset)))))))) is different from false [2021-12-28 03:06:17,828 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (<= (+ 2 ~M~0) c_~N~0) (not (< ~M~0 c_~N~0)) (and (forall ((v_ArrVal_175 (Array Int Int)) (v_ArrVal_174 (Array Int Int)) (v_ArrVal_176 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_174) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_175))) (<= (+ (select (select .cse0 c_~A~0.base) c_~A~0.offset) (select (select .cse0 c_~B~0.base) c_~B~0.offset) c_~res1~0) (let ((.cse1 (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse2 (* ~M~0 4))) (+ (select (select .cse1 c_~A~0.base) (+ c_~A~0.offset .cse2)) (select (select .cse1 c_~B~0.base) (+ .cse2 c_~B~0.offset)) c_~res2~0))))) (forall ((v_ArrVal_175 (Array Int Int)) (v_ArrVal_174 (Array Int Int)) (v_ArrVal_176 (Array Int Int))) (let ((.cse5 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_174) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_175))) (<= (let ((.cse3 (store .cse5 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse4 (* ~M~0 4))) (+ (select (select .cse3 c_~A~0.base) (+ c_~A~0.offset .cse4)) (select (select .cse3 c_~B~0.base) (+ .cse4 c_~B~0.offset)) c_~res2~0)) (+ (select (select .cse5 c_~A~0.base) c_~A~0.offset) (select (select .cse5 c_~B~0.base) c_~B~0.offset) c_~res1~0))))))) is different from false [2021-12-28 03:06:18,075 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (<= (+ 2 ~M~0) c_~N~0) (not (< ~M~0 c_~N~0)) (and (forall ((v_ArrVal_175 (Array Int Int)) (v_ArrVal_174 (Array Int Int)) (v_ArrVal_176 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_174) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_175))) (<= (+ (select (select .cse0 c_~A~0.base) c_~A~0.offset) c_~res1~0 (select (select .cse0 |c_ULTIMATE.start_main_#t~ret19#1.base|) |c_ULTIMATE.start_main_#t~ret19#1.offset|)) (let ((.cse1 (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse2 (* ~M~0 4))) (+ (select (select .cse1 c_~A~0.base) (+ c_~A~0.offset .cse2)) c_~res2~0 (select (select .cse1 |c_ULTIMATE.start_main_#t~ret19#1.base|) (+ .cse2 |c_ULTIMATE.start_main_#t~ret19#1.offset|))))))) (forall ((v_ArrVal_175 (Array Int Int)) (v_ArrVal_174 (Array Int Int)) (v_ArrVal_176 (Array Int Int))) (let ((.cse5 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_174) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_175))) (<= (let ((.cse3 (store .cse5 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse4 (* ~M~0 4))) (+ (select (select .cse3 c_~A~0.base) (+ c_~A~0.offset .cse4)) c_~res2~0 (select (select .cse3 |c_ULTIMATE.start_main_#t~ret19#1.base|) (+ .cse4 |c_ULTIMATE.start_main_#t~ret19#1.offset|)))) (+ (select (select .cse5 c_~A~0.base) c_~A~0.offset) c_~res1~0 (select (select .cse5 |c_ULTIMATE.start_main_#t~ret19#1.base|) |c_ULTIMATE.start_main_#t~ret19#1.offset|)))))))) is different from false [2021-12-28 03:06:18,128 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (<= (+ 2 ~M~0) c_~N~0) (not (< ~M~0 c_~N~0)) (and (forall ((v_ArrVal_175 (Array Int Int)) (v_ArrVal_174 (Array Int Int)) (v_ArrVal_176 (Array Int Int))) (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_174) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_175))) (<= (let ((.cse0 (store .cse2 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse1 (* ~M~0 4))) (+ (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)) c_~res2~0 (select (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) (+ .cse1 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))) (+ (select (select .cse2 c_~A~0.base) c_~A~0.offset) (select (select .cse2 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|) c_~res1~0)))) (forall ((v_ArrVal_175 (Array Int Int)) (v_ArrVal_174 (Array Int Int)) (v_ArrVal_176 (Array Int Int))) (let ((.cse3 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_174) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_175))) (<= (+ (select (select .cse3 c_~A~0.base) c_~A~0.offset) (select (select .cse3 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|) c_~res1~0) (let ((.cse4 (store .cse3 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse5 (* ~M~0 4))) (+ (select (select .cse4 c_~A~0.base) (+ c_~A~0.offset .cse5)) c_~res2~0 (select (select .cse4 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) (+ .cse5 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))))))))) is different from false [2021-12-28 03:06:18,158 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (<= (+ 2 ~M~0) c_~N~0) (not (< ~M~0 c_~N~0)) (and (forall ((v_ArrVal_175 (Array Int Int)) (v_ArrVal_174 (Array Int Int)) (v_ArrVal_176 (Array Int Int))) (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_174) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_175))) (<= (let ((.cse0 (store .cse2 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse1 (* ~M~0 4))) (+ (select (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ .cse1 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)) c_~res2~0)) (+ (select (select .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) (select (select .cse2 c_~A~0.base) c_~A~0.offset) c_~res1~0)))) (forall ((v_ArrVal_175 (Array Int Int)) (v_ArrVal_174 (Array Int Int)) (v_ArrVal_176 (Array Int Int))) (let ((.cse3 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_174) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_175))) (<= (+ (select (select .cse3 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) (select (select .cse3 c_~A~0.base) c_~A~0.offset) c_~res1~0) (let ((.cse4 (store .cse3 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_176)) (.cse5 (* ~M~0 4))) (+ (select (select .cse4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ .cse5 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (select (select .cse4 c_~A~0.base) (+ c_~A~0.offset .cse5)) c_~res2~0)))))))) is different from false [2021-12-28 03:06:42,506 INFO L353 Elim1Store]: treesize reduction 46, result has 60.0 percent of original size [2021-12-28 03:06:42,506 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 383 treesize of output 196 [2021-12-28 03:06:42,636 INFO L353 Elim1Store]: treesize reduction 98, result has 33.3 percent of original size [2021-12-28 03:06:42,638 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1196155 treesize of output 1065119 [2021-12-28 03:06:44,969 INFO L353 Elim1Store]: treesize reduction 100, result has 32.0 percent of original size [2021-12-28 03:06:44,972 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1364054 treesize of output 1331320 [2021-12-28 03:06:50,549 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-28 03:06:50,552 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1325981 treesize of output 1129390 [2021-12-28 03:06:53,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-28 03:06:53,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-28 03:06:53,549 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-28 03:06:53,552 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 1129373 treesize of output 1043182