/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-19 01:30:20,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-19 01:30:20,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-19 01:30:20,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-19 01:30:20,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-19 01:30:20,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-19 01:30:20,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-19 01:30:20,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-19 01:30:20,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-19 01:30:20,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-19 01:30:20,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-19 01:30:20,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-19 01:30:20,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-19 01:30:20,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-19 01:30:20,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-19 01:30:20,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-19 01:30:20,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-19 01:30:20,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-19 01:30:20,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-19 01:30:20,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-19 01:30:20,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-19 01:30:20,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-19 01:30:20,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-19 01:30:20,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-19 01:30:20,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-19 01:30:20,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-19 01:30:20,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-19 01:30:20,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-19 01:30:20,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-19 01:30:20,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-19 01:30:20,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-19 01:30:20,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-19 01:30:20,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-19 01:30:20,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-19 01:30:20,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-19 01:30:20,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-19 01:30:20,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-19 01:30:20,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-19 01:30:20,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-19 01:30:20,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-19 01:30:20,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-19 01:30:20,397 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-01-19 01:30:20,410 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-19 01:30:20,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-19 01:30:20,411 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-19 01:30:20,411 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-19 01:30:20,411 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-19 01:30:20,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-19 01:30:20,411 INFO L138 SettingsManager]: * Use SBE=true [2022-01-19 01:30:20,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-19 01:30:20,411 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-19 01:30:20,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-19 01:30:20,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-19 01:30:20,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-19 01:30:20,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-19 01:30:20,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-19 01:30:20,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-19 01:30:20,412 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-19 01:30:20,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-19 01:30:20,412 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-19 01:30:20,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-19 01:30:20,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-19 01:30:20,412 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-19 01:30:20,413 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-19 01:30:20,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-19 01:30:20,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 01:30:20,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-19 01:30:20,413 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-19 01:30:20,413 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-19 01:30:20,413 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-19 01:30:20,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-19 01:30:20,413 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-19 01:30:20,413 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-19 01:30:20,413 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-19 01:30:20,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-19 01:30:20,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-19 01:30:20,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-19 01:30:20,617 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-19 01:30:20,619 INFO L275 PluginConnector]: CDTParser initialized [2022-01-19 01:30:20,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c [2022-01-19 01:30:20,673 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/366a978d9/ffa40790add14d20bc01a5dac56f530d/FLAGd8c5233c9 [2022-01-19 01:30:20,955 INFO L306 CDTParser]: Found 1 translation units. [2022-01-19 01:30:20,956 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c [2022-01-19 01:30:20,960 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/366a978d9/ffa40790add14d20bc01a5dac56f530d/FLAGd8c5233c9 [2022-01-19 01:30:21,385 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/366a978d9/ffa40790add14d20bc01a5dac56f530d [2022-01-19 01:30:21,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-19 01:30:21,387 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-19 01:30:21,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-19 01:30:21,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-19 01:30:21,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-19 01:30:21,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 01:30:21" (1/1) ... [2022-01-19 01:30:21,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b58f5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:30:21, skipping insertion in model container [2022-01-19 01:30:21,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 01:30:21" (1/1) ... [2022-01-19 01:30:21,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-19 01:30:21,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-19 01:30:21,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c[2865,2878] [2022-01-19 01:30:21,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 01:30:21,540 INFO L203 MainTranslator]: Completed pre-run [2022-01-19 01:30:21,559 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c[2865,2878] [2022-01-19 01:30:21,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 01:30:21,570 INFO L208 MainTranslator]: Completed translation [2022-01-19 01:30:21,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:30:21 WrapperNode [2022-01-19 01:30:21,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-19 01:30:21,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-19 01:30:21,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-19 01:30:21,572 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-19 01:30:21,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:30:21" (1/1) ... [2022-01-19 01:30:21,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:30:21" (1/1) ... [2022-01-19 01:30:21,606 INFO L137 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 16, calls inlined = 22, statements flattened = 275 [2022-01-19 01:30:21,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-19 01:30:21,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-19 01:30:21,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-19 01:30:21,608 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-19 01:30:21,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:30:21" (1/1) ... [2022-01-19 01:30:21,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:30:21" (1/1) ... [2022-01-19 01:30:21,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:30:21" (1/1) ... [2022-01-19 01:30:21,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:30:21" (1/1) ... [2022-01-19 01:30:21,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:30:21" (1/1) ... [2022-01-19 01:30:21,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:30:21" (1/1) ... [2022-01-19 01:30:21,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:30:21" (1/1) ... [2022-01-19 01:30:21,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-19 01:30:21,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-19 01:30:21,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-19 01:30:21,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-19 01:30:21,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:30:21" (1/1) ... [2022-01-19 01:30:21,660 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 01:30:21,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 01:30:21,674 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-19 01:30:21,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-19 01:30:21,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-19 01:30:21,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-19 01:30:21,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-19 01:30:21,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-19 01:30:21,705 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-19 01:30:21,705 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-19 01:30:21,705 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-19 01:30:21,705 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-19 01:30:21,705 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-19 01:30:21,706 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-19 01:30:21,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-19 01:30:21,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-19 01:30:21,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-19 01:30:21,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-19 01:30:21,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-19 01:30:21,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-19 01:30:21,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-19 01:30:21,707 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-19 01:30:21,779 INFO L234 CfgBuilder]: Building ICFG [2022-01-19 01:30:21,780 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-19 01:30:22,097 INFO L275 CfgBuilder]: Performing block encoding [2022-01-19 01:30:22,192 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-19 01:30:22,193 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2022-01-19 01:30:22,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 01:30:22 BoogieIcfgContainer [2022-01-19 01:30:22,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-19 01:30:22,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-19 01:30:22,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-19 01:30:22,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-19 01:30:22,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.01 01:30:21" (1/3) ... [2022-01-19 01:30:22,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318f5b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 01:30:22, skipping insertion in model container [2022-01-19 01:30:22,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:30:21" (2/3) ... [2022-01-19 01:30:22,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318f5b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 01:30:22, skipping insertion in model container [2022-01-19 01:30:22,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 01:30:22" (3/3) ... [2022-01-19 01:30:22,201 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product.wvr.c [2022-01-19 01:30:22,205 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-19 01:30:22,205 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-19 01:30:22,205 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-19 01:30:22,259 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,259 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,260 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,260 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,261 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,261 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,261 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,261 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,261 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,261 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,261 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,261 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,262 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,262 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,265 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,265 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,265 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,265 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,265 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,266 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,266 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,266 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,266 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,266 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,266 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,266 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,266 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,266 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,267 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,267 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,267 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,267 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,267 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,268 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,268 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,268 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,269 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,269 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,269 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,269 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,269 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,269 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,269 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,269 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,270 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,270 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,270 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,270 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,270 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,270 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,270 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,271 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,271 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,271 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,271 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,271 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,271 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,271 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,272 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,272 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,272 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,272 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,272 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,272 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,272 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,273 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,275 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,275 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,275 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,275 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,276 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,276 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,276 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,276 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,276 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,276 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,278 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,278 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,278 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,278 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,278 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,278 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,278 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,278 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,279 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,279 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,279 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,280 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,280 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,281 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,283 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,284 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,284 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,284 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,284 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,284 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,284 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,284 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,284 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,284 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,285 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,285 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,285 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,285 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,285 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,285 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,285 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,285 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,286 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,286 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,286 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,286 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,286 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,286 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,286 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,286 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,286 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,286 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,287 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,287 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,287 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,287 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,287 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,287 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,288 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,288 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,288 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,288 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,288 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,288 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,288 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,288 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,288 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,288 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,289 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,289 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,289 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,289 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,289 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,289 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,289 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,290 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,290 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,290 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,290 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,290 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,290 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,290 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,290 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,290 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,291 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,291 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,291 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,291 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,292 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,292 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,292 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,293 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,293 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,293 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,293 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,293 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,293 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,293 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,294 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,294 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,295 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,295 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,295 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,295 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,295 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,295 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,295 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,295 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,295 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,295 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,296 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,296 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,296 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,296 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,296 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,296 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,296 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,296 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,297 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,297 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,297 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,297 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,297 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,297 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,297 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,298 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,298 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,298 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,299 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,299 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,299 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,299 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,299 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,299 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,299 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,299 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,299 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~j~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~j~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,301 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,301 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,301 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~j~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,301 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,301 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~j~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,302 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,303 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~j~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,304 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,307 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~j~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,307 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,307 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,308 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,308 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,308 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,308 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,308 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,308 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,308 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,308 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,308 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,308 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,308 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~j~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,309 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,309 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,309 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,309 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,309 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,309 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,309 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,309 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,309 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,311 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~j~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,317 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,318 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,318 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,318 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,318 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,318 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,318 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,318 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,318 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,319 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,319 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,319 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~j~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,319 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,319 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~j~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,319 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,319 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,319 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~j~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,319 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,319 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~j~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,319 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,320 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,321 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,322 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,322 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,322 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,322 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,322 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,322 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,322 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,322 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,322 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,322 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,322 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,323 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,323 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,323 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~j~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,323 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,323 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,323 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,324 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,324 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~j~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,324 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,324 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,324 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,324 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,324 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,324 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,324 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,324 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,324 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,324 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,325 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,325 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,325 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,325 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,325 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,325 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,325 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,325 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,325 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,326 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,326 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,326 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,326 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,326 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,326 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,326 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,326 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,326 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,326 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,326 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,326 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:30:22,328 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-19 01:30:22,373 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-19 01:30:22,377 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=false, 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 [2022-01-19 01:30:22,377 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-19 01:30:22,385 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 242 places, 257 transitions, 538 flow [2022-01-19 01:30:22,452 INFO L129 PetriNetUnfolder]: 25/254 cut-off events. [2022-01-19 01:30:22,452 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-01-19 01:30:22,456 INFO L84 FinitePrefix]: Finished finitePrefix Result has 267 conditions, 254 events. 25/254 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 325 event pairs, 0 based on Foata normal form. 0/228 useless extension candidates. Maximal degree in co-relation 196. Up to 2 conditions per place. [2022-01-19 01:30:22,456 INFO L82 GeneralOperation]: Start removeDead. Operand has 242 places, 257 transitions, 538 flow [2022-01-19 01:30:22,460 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 228 places, 243 transitions, 504 flow [2022-01-19 01:30:22,504 INFO L129 PetriNetUnfolder]: 25/242 cut-off events. [2022-01-19 01:30:22,505 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-01-19 01:30:22,505 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:30:22,505 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] [2022-01-19 01:30:22,506 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 01:30:22,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:30:22,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1180849341, now seen corresponding path program 1 times [2022-01-19 01:30:22,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:30:22,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051461079] [2022-01-19 01:30:22,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:30:22,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:30:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:30:22,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:30:22,651 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:30:22,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051461079] [2022-01-19 01:30:22,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051461079] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:30:22,652 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:30:22,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-19 01:30:22,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694156469] [2022-01-19 01:30:22,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:30:22,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-19 01:30:22,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:30:22,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-19 01:30:22,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-19 01:30:22,677 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 257 [2022-01-19 01:30:22,679 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 243 transitions, 504 flow. Second operand has 2 states, 2 states have (on average 233.5) internal successors, (467), 2 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:22,680 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:30:22,680 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 257 [2022-01-19 01:30:22,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:30:22,749 INFO L129 PetriNetUnfolder]: 31/379 cut-off events. [2022-01-19 01:30:22,749 INFO L130 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2022-01-19 01:30:22,753 INFO L84 FinitePrefix]: Finished finitePrefix Result has 441 conditions, 379 events. 31/379 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1242 event pairs, 15 based on Foata normal form. 64/407 useless extension candidates. Maximal degree in co-relation 267. Up to 37 conditions per place. [2022-01-19 01:30:22,755 INFO L132 encePairwiseOnDemand]: 240/257 looper letters, 9 selfloop transitions, 0 changer transitions 6/226 dead transitions. [2022-01-19 01:30:22,755 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 226 transitions, 488 flow [2022-01-19 01:30:22,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-19 01:30:22,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-01-19 01:30:22,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 486 transitions. [2022-01-19 01:30:22,774 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9455252918287937 [2022-01-19 01:30:22,775 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 486 transitions. [2022-01-19 01:30:22,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 486 transitions. [2022-01-19 01:30:22,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:30:22,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 486 transitions. [2022-01-19 01:30:22,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 243.0) internal successors, (486), 2 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:22,789 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 257.0) internal successors, (771), 3 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:22,790 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 257.0) internal successors, (771), 3 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:22,791 INFO L186 Difference]: Start difference. First operand has 228 places, 243 transitions, 504 flow. Second operand 2 states and 486 transitions. [2022-01-19 01:30:22,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 226 transitions, 488 flow [2022-01-19 01:30:22,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 226 transitions, 476 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-01-19 01:30:22,799 INFO L242 Difference]: Finished difference. Result has 223 places, 220 transitions, 446 flow [2022-01-19 01:30:22,801 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=458, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=446, PETRI_PLACES=223, PETRI_TRANSITIONS=220} [2022-01-19 01:30:22,806 INFO L334 CegarLoopForPetriNet]: 228 programPoint places, -5 predicate places. [2022-01-19 01:30:22,806 INFO L470 AbstractCegarLoop]: Abstraction has has 223 places, 220 transitions, 446 flow [2022-01-19 01:30:22,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 233.5) internal successors, (467), 2 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:22,807 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:30:22,807 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] [2022-01-19 01:30:22,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-19 01:30:22,808 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 01:30:22,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:30:22,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1973615300, now seen corresponding path program 1 times [2022-01-19 01:30:22,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:30:22,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867195079] [2022-01-19 01:30:22,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:30:22,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:30:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:30:23,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:30:23,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:30:23,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867195079] [2022-01-19 01:30:23,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867195079] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:30:23,110 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:30:23,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-19 01:30:23,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393228584] [2022-01-19 01:30:23,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:30:23,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-19 01:30:23,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:30:23,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-19 01:30:23,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-19 01:30:23,115 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 257 [2022-01-19 01:30:23,116 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 220 transitions, 446 flow. Second operand has 6 states, 6 states have (on average 190.5) internal successors, (1143), 6 states have internal predecessors, (1143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:23,117 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:30:23,117 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 257 [2022-01-19 01:30:23,117 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:30:23,423 INFO L129 PetriNetUnfolder]: 519/1493 cut-off events. [2022-01-19 01:30:23,423 INFO L130 PetriNetUnfolder]: For 46/46 co-relation queries the response was YES. [2022-01-19 01:30:23,428 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2242 conditions, 1493 events. 519/1493 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 9228 event pairs, 119 based on Foata normal form. 0/1173 useless extension candidates. Maximal degree in co-relation 2239. Up to 447 conditions per place. [2022-01-19 01:30:23,436 INFO L132 encePairwiseOnDemand]: 250/257 looper letters, 52 selfloop transitions, 6 changer transitions 0/229 dead transitions. [2022-01-19 01:30:23,436 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 229 transitions, 582 flow [2022-01-19 01:30:23,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-19 01:30:23,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-01-19 01:30:23,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1163 transitions. [2022-01-19 01:30:23,440 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7542153047989624 [2022-01-19 01:30:23,440 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1163 transitions. [2022-01-19 01:30:23,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1163 transitions. [2022-01-19 01:30:23,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:30:23,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1163 transitions. [2022-01-19 01:30:23,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 193.83333333333334) internal successors, (1163), 6 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:23,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 257.0) internal successors, (1799), 7 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:23,448 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 257.0) internal successors, (1799), 7 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:23,448 INFO L186 Difference]: Start difference. First operand has 223 places, 220 transitions, 446 flow. Second operand 6 states and 1163 transitions. [2022-01-19 01:30:23,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 229 transitions, 582 flow [2022-01-19 01:30:23,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 229 transitions, 582 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-19 01:30:23,456 INFO L242 Difference]: Finished difference. Result has 224 places, 221 transitions, 471 flow [2022-01-19 01:30:23,457 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=471, PETRI_PLACES=224, PETRI_TRANSITIONS=221} [2022-01-19 01:30:23,457 INFO L334 CegarLoopForPetriNet]: 228 programPoint places, -4 predicate places. [2022-01-19 01:30:23,457 INFO L470 AbstractCegarLoop]: Abstraction has has 224 places, 221 transitions, 471 flow [2022-01-19 01:30:23,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 190.5) internal successors, (1143), 6 states have internal predecessors, (1143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:23,458 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:30:23,458 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] [2022-01-19 01:30:23,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-19 01:30:23,459 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 01:30:23,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:30:23,459 INFO L85 PathProgramCache]: Analyzing trace with hash -2036613946, now seen corresponding path program 1 times [2022-01-19 01:30:23,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:30:23,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872959106] [2022-01-19 01:30:23,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:30:23,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:30:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:30:23,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:30:23,715 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:30:23,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872959106] [2022-01-19 01:30:23,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872959106] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:30:23,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:30:23,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-19 01:30:23,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421809691] [2022-01-19 01:30:23,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:30:23,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-19 01:30:23,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:30:23,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-19 01:30:23,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-19 01:30:23,719 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 257 [2022-01-19 01:30:23,721 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 221 transitions, 471 flow. Second operand has 9 states, 9 states have (on average 171.11111111111111) internal successors, (1540), 9 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:23,721 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:30:23,721 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 257 [2022-01-19 01:30:23,721 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:30:24,023 INFO L129 PetriNetUnfolder]: 524/1556 cut-off events. [2022-01-19 01:30:24,024 INFO L130 PetriNetUnfolder]: For 214/214 co-relation queries the response was YES. [2022-01-19 01:30:24,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2526 conditions, 1556 events. 524/1556 cut-off events. For 214/214 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 9601 event pairs, 263 based on Foata normal form. 1/1238 useless extension candidates. Maximal degree in co-relation 2520. Up to 649 conditions per place. [2022-01-19 01:30:24,034 INFO L132 encePairwiseOnDemand]: 244/257 looper letters, 72 selfloop transitions, 9 changer transitions 22/255 dead transitions. [2022-01-19 01:30:24,034 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 255 transitions, 751 flow [2022-01-19 01:30:24,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 01:30:24,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 01:30:24,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1753 transitions. [2022-01-19 01:30:24,037 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6821011673151751 [2022-01-19 01:30:24,037 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1753 transitions. [2022-01-19 01:30:24,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1753 transitions. [2022-01-19 01:30:24,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:30:24,038 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1753 transitions. [2022-01-19 01:30:24,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 175.3) internal successors, (1753), 10 states have internal predecessors, (1753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:24,044 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 257.0) internal successors, (2827), 11 states have internal predecessors, (2827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:24,045 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 257.0) internal successors, (2827), 11 states have internal predecessors, (2827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:24,045 INFO L186 Difference]: Start difference. First operand has 224 places, 221 transitions, 471 flow. Second operand 10 states and 1753 transitions. [2022-01-19 01:30:24,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 255 transitions, 751 flow [2022-01-19 01:30:24,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 255 transitions, 739 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-01-19 01:30:24,050 INFO L242 Difference]: Finished difference. Result has 233 places, 222 transitions, 497 flow [2022-01-19 01:30:24,050 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=463, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=497, PETRI_PLACES=233, PETRI_TRANSITIONS=222} [2022-01-19 01:30:24,051 INFO L334 CegarLoopForPetriNet]: 228 programPoint places, 5 predicate places. [2022-01-19 01:30:24,051 INFO L470 AbstractCegarLoop]: Abstraction has has 233 places, 222 transitions, 497 flow [2022-01-19 01:30:24,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 171.11111111111111) internal successors, (1540), 9 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:24,052 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:30:24,052 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, 1] [2022-01-19 01:30:24,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-19 01:30:24,052 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 01:30:24,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:30:24,052 INFO L85 PathProgramCache]: Analyzing trace with hash -30071097, now seen corresponding path program 1 times [2022-01-19 01:30:24,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:30:24,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99065974] [2022-01-19 01:30:24,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:30:24,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:30:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:30:24,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 01:30:24,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:30:24,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99065974] [2022-01-19 01:30:24,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99065974] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 01:30:24,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668787803] [2022-01-19 01:30:24,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:30:24,129 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 01:30:24,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 01:30:24,130 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 01:30:24,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-19 01:30:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:30:24,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-19 01:30:24,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 01:30:24,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 01:30:24,500 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 01:30:24,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 01:30:24,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1668787803] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-19 01:30:24,768 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-19 01:30:24,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-01-19 01:30:24,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772893098] [2022-01-19 01:30:24,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:30:24,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 01:30:24,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:30:24,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 01:30:24,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-01-19 01:30:24,770 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 257 [2022-01-19 01:30:24,772 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 222 transitions, 497 flow. Second operand has 7 states, 7 states have (on average 198.71428571428572) internal successors, (1391), 7 states have internal predecessors, (1391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:24,772 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:30:24,772 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 257 [2022-01-19 01:30:24,772 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:30:24,941 INFO L129 PetriNetUnfolder]: 219/1295 cut-off events. [2022-01-19 01:30:24,942 INFO L130 PetriNetUnfolder]: For 193/211 co-relation queries the response was YES. [2022-01-19 01:30:24,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1792 conditions, 1295 events. 219/1295 cut-off events. For 193/211 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 8145 event pairs, 108 based on Foata normal form. 18/1173 useless extension candidates. Maximal degree in co-relation 1782. Up to 173 conditions per place. [2022-01-19 01:30:24,951 INFO L132 encePairwiseOnDemand]: 249/257 looper letters, 49 selfloop transitions, 7 changer transitions 0/231 dead transitions. [2022-01-19 01:30:24,951 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 231 transitions, 638 flow [2022-01-19 01:30:24,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-19 01:30:24,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-01-19 01:30:24,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1412 transitions. [2022-01-19 01:30:24,954 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7848804891606448 [2022-01-19 01:30:24,954 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1412 transitions. [2022-01-19 01:30:24,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1412 transitions. [2022-01-19 01:30:24,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:30:24,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1412 transitions. [2022-01-19 01:30:24,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 201.71428571428572) internal successors, (1412), 7 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:24,959 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 257.0) internal successors, (2056), 8 states have internal predecessors, (2056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:24,959 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 257.0) internal successors, (2056), 8 states have internal predecessors, (2056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:24,959 INFO L186 Difference]: Start difference. First operand has 233 places, 222 transitions, 497 flow. Second operand 7 states and 1412 transitions. [2022-01-19 01:30:24,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 231 transitions, 638 flow [2022-01-19 01:30:24,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 231 transitions, 614 flow, removed 3 selfloop flow, removed 8 redundant places. [2022-01-19 01:30:24,964 INFO L242 Difference]: Finished difference. Result has 232 places, 224 transitions, 507 flow [2022-01-19 01:30:24,965 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=507, PETRI_PLACES=232, PETRI_TRANSITIONS=224} [2022-01-19 01:30:24,965 INFO L334 CegarLoopForPetriNet]: 228 programPoint places, 4 predicate places. [2022-01-19 01:30:24,965 INFO L470 AbstractCegarLoop]: Abstraction has has 232 places, 224 transitions, 507 flow [2022-01-19 01:30:24,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 198.71428571428572) internal successors, (1391), 7 states have internal predecessors, (1391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:24,966 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:30:24,966 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:30:24,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-19 01:30:25,187 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 [2022-01-19 01:30:25,187 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 01:30:25,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:30:25,188 INFO L85 PathProgramCache]: Analyzing trace with hash 2054967435, now seen corresponding path program 1 times [2022-01-19 01:30:25,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:30:25,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006878746] [2022-01-19 01:30:25,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:30:25,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:30:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:30:25,304 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-19 01:30:25,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:30:25,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006878746] [2022-01-19 01:30:25,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006878746] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:30:25,304 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:30:25,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-19 01:30:25,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896072226] [2022-01-19 01:30:25,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:30:25,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-19 01:30:25,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:30:25,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-19 01:30:25,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-19 01:30:25,306 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 257 [2022-01-19 01:30:25,307 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 224 transitions, 507 flow. Second operand has 6 states, 6 states have (on average 203.33333333333334) internal successors, (1220), 6 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:25,307 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:30:25,307 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 257 [2022-01-19 01:30:25,308 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:30:25,466 INFO L129 PetriNetUnfolder]: 77/787 cut-off events. [2022-01-19 01:30:25,466 INFO L130 PetriNetUnfolder]: For 44/46 co-relation queries the response was YES. [2022-01-19 01:30:25,469 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1006 conditions, 787 events. 77/787 cut-off events. For 44/46 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3708 event pairs, 6 based on Foata normal form. 1/732 useless extension candidates. Maximal degree in co-relation 996. Up to 52 conditions per place. [2022-01-19 01:30:25,472 INFO L132 encePairwiseOnDemand]: 249/257 looper letters, 47 selfloop transitions, 6 changer transitions 4/246 dead transitions. [2022-01-19 01:30:25,472 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 246 transitions, 674 flow [2022-01-19 01:30:25,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-19 01:30:25,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-01-19 01:30:25,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1246 transitions. [2022-01-19 01:30:25,474 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.808041504539559 [2022-01-19 01:30:25,474 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1246 transitions. [2022-01-19 01:30:25,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1246 transitions. [2022-01-19 01:30:25,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:30:25,475 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1246 transitions. [2022-01-19 01:30:25,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 207.66666666666666) internal successors, (1246), 6 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:25,480 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 257.0) internal successors, (1799), 7 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:25,480 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 257.0) internal successors, (1799), 7 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:25,480 INFO L186 Difference]: Start difference. First operand has 232 places, 224 transitions, 507 flow. Second operand 6 states and 1246 transitions. [2022-01-19 01:30:25,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 246 transitions, 674 flow [2022-01-19 01:30:25,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 246 transitions, 666 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-01-19 01:30:25,485 INFO L242 Difference]: Finished difference. Result has 236 places, 228 transitions, 535 flow [2022-01-19 01:30:25,485 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=499, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=535, PETRI_PLACES=236, PETRI_TRANSITIONS=228} [2022-01-19 01:30:25,486 INFO L334 CegarLoopForPetriNet]: 228 programPoint places, 8 predicate places. [2022-01-19 01:30:25,487 INFO L470 AbstractCegarLoop]: Abstraction has has 236 places, 228 transitions, 535 flow [2022-01-19 01:30:25,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 203.33333333333334) internal successors, (1220), 6 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:25,487 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:30:25,487 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:30:25,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-19 01:30:25,487 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 01:30:25,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:30:25,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1573850814, now seen corresponding path program 1 times [2022-01-19 01:30:25,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:30:25,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121145759] [2022-01-19 01:30:25,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:30:25,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:30:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:30:25,633 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-19 01:30:25,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:30:25,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121145759] [2022-01-19 01:30:25,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121145759] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:30:25,633 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:30:25,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-01-19 01:30:25,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268431972] [2022-01-19 01:30:25,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:30:25,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-19 01:30:25,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:30:25,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-19 01:30:25,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-01-19 01:30:25,636 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 257 [2022-01-19 01:30:25,638 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 228 transitions, 535 flow. Second operand has 12 states, 12 states have (on average 173.16666666666666) internal successors, (2078), 12 states have internal predecessors, (2078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:25,638 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:30:25,638 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 257 [2022-01-19 01:30:25,638 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:30:30,316 INFO L129 PetriNetUnfolder]: 21800/42344 cut-off events. [2022-01-19 01:30:30,316 INFO L130 PetriNetUnfolder]: For 6164/6164 co-relation queries the response was YES. [2022-01-19 01:30:30,470 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82284 conditions, 42344 events. 21800/42344 cut-off events. For 6164/6164 co-relation queries the response was YES. Maximal size of possible extension queue 1500. Compared 423948 event pairs, 11026 based on Foata normal form. 0/39751 useless extension candidates. Maximal degree in co-relation 82271. Up to 11124 conditions per place. [2022-01-19 01:30:30,632 INFO L132 encePairwiseOnDemand]: 237/257 looper letters, 255 selfloop transitions, 36 changer transitions 0/441 dead transitions. [2022-01-19 01:30:30,632 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 441 transitions, 1702 flow [2022-01-19 01:30:30,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-19 01:30:30,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2022-01-19 01:30:30,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 3117 transitions. [2022-01-19 01:30:30,637 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7134355687800412 [2022-01-19 01:30:30,637 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 3117 transitions. [2022-01-19 01:30:30,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 3117 transitions. [2022-01-19 01:30:30,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:30:30,638 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 3117 transitions. [2022-01-19 01:30:30,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 183.35294117647058) internal successors, (3117), 17 states have internal predecessors, (3117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:30,648 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 257.0) internal successors, (4626), 18 states have internal predecessors, (4626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:30,649 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 257.0) internal successors, (4626), 18 states have internal predecessors, (4626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:30,649 INFO L186 Difference]: Start difference. First operand has 236 places, 228 transitions, 535 flow. Second operand 17 states and 3117 transitions. [2022-01-19 01:30:30,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 441 transitions, 1702 flow [2022-01-19 01:30:30,696 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 441 transitions, 1698 flow, removed 2 selfloop flow, removed 2 redundant places. [2022-01-19 01:30:30,703 INFO L242 Difference]: Finished difference. Result has 258 places, 262 transitions, 768 flow [2022-01-19 01:30:30,704 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=531, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=768, PETRI_PLACES=258, PETRI_TRANSITIONS=262} [2022-01-19 01:30:30,706 INFO L334 CegarLoopForPetriNet]: 228 programPoint places, 30 predicate places. [2022-01-19 01:30:30,706 INFO L470 AbstractCegarLoop]: Abstraction has has 258 places, 262 transitions, 768 flow [2022-01-19 01:30:30,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 173.16666666666666) internal successors, (2078), 12 states have internal predecessors, (2078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:30,707 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:30:30,707 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:30:30,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-19 01:30:30,708 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 01:30:30,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:30:30,708 INFO L85 PathProgramCache]: Analyzing trace with hash -473909214, now seen corresponding path program 1 times [2022-01-19 01:30:30,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:30:30,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762156652] [2022-01-19 01:30:30,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:30:30,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:30:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:30:30,945 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-19 01:30:30,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:30:30,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762156652] [2022-01-19 01:30:30,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762156652] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:30:30,945 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:30:30,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-01-19 01:30:30,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881589066] [2022-01-19 01:30:30,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:30:30,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-19 01:30:30,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:30:30,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-19 01:30:30,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-01-19 01:30:30,947 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 257 [2022-01-19 01:30:30,949 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 262 transitions, 768 flow. Second operand has 12 states, 12 states have (on average 173.16666666666666) internal successors, (2078), 12 states have internal predecessors, (2078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:30,949 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:30:30,949 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 257 [2022-01-19 01:30:30,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:30:35,809 INFO L129 PetriNetUnfolder]: 24033/41892 cut-off events. [2022-01-19 01:30:35,809 INFO L130 PetriNetUnfolder]: For 17137/17516 co-relation queries the response was YES. [2022-01-19 01:30:36,013 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94195 conditions, 41892 events. 24033/41892 cut-off events. For 17137/17516 co-relation queries the response was YES. Maximal size of possible extension queue 1582. Compared 394562 event pairs, 9786 based on Foata normal form. 371/40064 useless extension candidates. Maximal degree in co-relation 94173. Up to 12337 conditions per place. [2022-01-19 01:30:36,288 INFO L132 encePairwiseOnDemand]: 239/257 looper letters, 266 selfloop transitions, 17 changer transitions 2/444 dead transitions. [2022-01-19 01:30:36,288 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 444 transitions, 1968 flow [2022-01-19 01:30:36,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-19 01:30:36,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2022-01-19 01:30:36,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2737 transitions. [2022-01-19 01:30:36,292 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7099870298313878 [2022-01-19 01:30:36,292 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2737 transitions. [2022-01-19 01:30:36,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2737 transitions. [2022-01-19 01:30:36,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:30:36,293 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2737 transitions. [2022-01-19 01:30:36,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 182.46666666666667) internal successors, (2737), 15 states have internal predecessors, (2737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:36,301 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 257.0) internal successors, (4112), 16 states have internal predecessors, (4112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:36,302 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 257.0) internal successors, (4112), 16 states have internal predecessors, (4112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:36,302 INFO L186 Difference]: Start difference. First operand has 258 places, 262 transitions, 768 flow. Second operand 15 states and 2737 transitions. [2022-01-19 01:30:36,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 444 transitions, 1968 flow [2022-01-19 01:30:36,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 444 transitions, 1961 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-01-19 01:30:36,361 INFO L242 Difference]: Finished difference. Result has 278 places, 272 transitions, 863 flow [2022-01-19 01:30:36,361 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=761, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=863, PETRI_PLACES=278, PETRI_TRANSITIONS=272} [2022-01-19 01:30:36,362 INFO L334 CegarLoopForPetriNet]: 228 programPoint places, 50 predicate places. [2022-01-19 01:30:36,362 INFO L470 AbstractCegarLoop]: Abstraction has has 278 places, 272 transitions, 863 flow [2022-01-19 01:30:36,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 173.16666666666666) internal successors, (2078), 12 states have internal predecessors, (2078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:36,362 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:30:36,363 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:30:36,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-19 01:30:36,363 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 01:30:36,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:30:36,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1785559654, now seen corresponding path program 2 times [2022-01-19 01:30:36,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:30:36,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064866595] [2022-01-19 01:30:36,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:30:36,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:30:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:30:36,619 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-19 01:30:36,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:30:36,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064866595] [2022-01-19 01:30:36,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064866595] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:30:36,620 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:30:36,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-19 01:30:36,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571798937] [2022-01-19 01:30:36,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:30:36,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-19 01:30:36,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:30:36,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-19 01:30:36,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-01-19 01:30:36,622 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 257 [2022-01-19 01:30:36,624 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 272 transitions, 863 flow. Second operand has 19 states, 19 states have (on average 150.21052631578948) internal successors, (2854), 19 states have internal predecessors, (2854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:36,624 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:30:36,624 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 257 [2022-01-19 01:30:36,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:30:42,501 INFO L129 PetriNetUnfolder]: 22343/44235 cut-off events. [2022-01-19 01:30:42,501 INFO L130 PetriNetUnfolder]: For 25702/26215 co-relation queries the response was YES. [2022-01-19 01:30:42,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107703 conditions, 44235 events. 22343/44235 cut-off events. For 25702/26215 co-relation queries the response was YES. Maximal size of possible extension queue 1505. Compared 454864 event pairs, 11492 based on Foata normal form. 601/43307 useless extension candidates. Maximal degree in co-relation 107672. Up to 11114 conditions per place. [2022-01-19 01:30:43,070 INFO L132 encePairwiseOnDemand]: 226/257 looper letters, 252 selfloop transitions, 48 changer transitions 1/440 dead transitions. [2022-01-19 01:30:43,070 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 440 transitions, 2071 flow [2022-01-19 01:30:43,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-01-19 01:30:43,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2022-01-19 01:30:43,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 4796 transitions. [2022-01-19 01:30:43,078 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6019831806200577 [2022-01-19 01:30:43,078 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 4796 transitions. [2022-01-19 01:30:43,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 4796 transitions. [2022-01-19 01:30:43,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:30:43,080 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 4796 transitions. [2022-01-19 01:30:43,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 154.70967741935485) internal successors, (4796), 31 states have internal predecessors, (4796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:43,100 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 257.0) internal successors, (8224), 32 states have internal predecessors, (8224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:43,101 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 257.0) internal successors, (8224), 32 states have internal predecessors, (8224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:43,101 INFO L186 Difference]: Start difference. First operand has 278 places, 272 transitions, 863 flow. Second operand 31 states and 4796 transitions. [2022-01-19 01:30:43,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 440 transitions, 2071 flow [2022-01-19 01:30:43,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 440 transitions, 2061 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-01-19 01:30:43,481 INFO L242 Difference]: Finished difference. Result has 312 places, 282 transitions, 1067 flow [2022-01-19 01:30:43,482 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=853, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=1067, PETRI_PLACES=312, PETRI_TRANSITIONS=282} [2022-01-19 01:30:43,482 INFO L334 CegarLoopForPetriNet]: 228 programPoint places, 84 predicate places. [2022-01-19 01:30:43,482 INFO L470 AbstractCegarLoop]: Abstraction has has 312 places, 282 transitions, 1067 flow [2022-01-19 01:30:43,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 150.21052631578948) internal successors, (2854), 19 states have internal predecessors, (2854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:43,483 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:30:43,483 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:30:43,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-19 01:30:43,483 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 01:30:43,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:30:43,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1826304926, now seen corresponding path program 3 times [2022-01-19 01:30:43,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:30:43,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437396663] [2022-01-19 01:30:43,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:30:43,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:30:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:30:43,783 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 01:30:43,783 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:30:43,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437396663] [2022-01-19 01:30:43,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437396663] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:30:43,783 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:30:43,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-01-19 01:30:43,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409192530] [2022-01-19 01:30:43,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:30:43,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-01-19 01:30:43,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:30:43,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-01-19 01:30:43,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2022-01-19 01:30:43,787 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 257 [2022-01-19 01:30:43,789 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 282 transitions, 1067 flow. Second operand has 20 states, 20 states have (on average 148.05) internal successors, (2961), 20 states have internal predecessors, (2961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:43,789 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:30:43,789 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 257 [2022-01-19 01:30:43,789 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:30:49,411 INFO L129 PetriNetUnfolder]: 17221/34676 cut-off events. [2022-01-19 01:30:49,412 INFO L130 PetriNetUnfolder]: For 31171/31491 co-relation queries the response was YES. [2022-01-19 01:30:49,602 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88721 conditions, 34676 events. 17221/34676 cut-off events. For 31171/31491 co-relation queries the response was YES. Maximal size of possible extension queue 1147. Compared 346366 event pairs, 8185 based on Foata normal form. 372/33688 useless extension candidates. Maximal degree in co-relation 88682. Up to 10739 conditions per place. [2022-01-19 01:30:49,726 INFO L132 encePairwiseOnDemand]: 226/257 looper letters, 226 selfloop transitions, 49 changer transitions 0/413 dead transitions. [2022-01-19 01:30:49,726 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 413 transitions, 2102 flow [2022-01-19 01:30:49,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-19 01:30:49,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2022-01-19 01:30:49,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 4549 transitions. [2022-01-19 01:30:49,732 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5900129701686122 [2022-01-19 01:30:49,732 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 4549 transitions. [2022-01-19 01:30:49,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 4549 transitions. [2022-01-19 01:30:49,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:30:49,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 4549 transitions. [2022-01-19 01:30:49,739 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 151.63333333333333) internal successors, (4549), 30 states have internal predecessors, (4549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:49,745 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 257.0) internal successors, (7967), 31 states have internal predecessors, (7967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:49,746 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 257.0) internal successors, (7967), 31 states have internal predecessors, (7967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:49,746 INFO L186 Difference]: Start difference. First operand has 312 places, 282 transitions, 1067 flow. Second operand 30 states and 4549 transitions. [2022-01-19 01:30:49,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 413 transitions, 2102 flow [2022-01-19 01:30:50,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 413 transitions, 2036 flow, removed 17 selfloop flow, removed 16 redundant places. [2022-01-19 01:30:50,046 INFO L242 Difference]: Finished difference. Result has 332 places, 290 transitions, 1220 flow [2022-01-19 01:30:50,047 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=1017, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=1220, PETRI_PLACES=332, PETRI_TRANSITIONS=290} [2022-01-19 01:30:50,047 INFO L334 CegarLoopForPetriNet]: 228 programPoint places, 104 predicate places. [2022-01-19 01:30:50,047 INFO L470 AbstractCegarLoop]: Abstraction has has 332 places, 290 transitions, 1220 flow [2022-01-19 01:30:50,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 148.05) internal successors, (2961), 20 states have internal predecessors, (2961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:50,048 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:30:50,048 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:30:50,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-19 01:30:50,048 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 01:30:50,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:30:50,048 INFO L85 PathProgramCache]: Analyzing trace with hash 301923893, now seen corresponding path program 1 times [2022-01-19 01:30:50,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:30:50,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12779720] [2022-01-19 01:30:50,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:30:50,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:30:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:30:50,303 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 01:30:50,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:30:50,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12779720] [2022-01-19 01:30:50,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12779720] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 01:30:50,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64333551] [2022-01-19 01:30:50,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:30:50,303 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 01:30:50,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 01:30:50,308 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 01:30:50,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-19 01:30:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:30:50,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 29 conjunts are in the unsatisfiable core [2022-01-19 01:30:50,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 01:30:50,470 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 [2022-01-19 01:30:50,526 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-19 01:30:50,527 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 [2022-01-19 01:30:51,095 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-01-19 01:30:51,225 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-01-19 01:30:51,279 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 01:30:51,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 01:30:51,409 WARN L838 $PredicateComparison]: unable to prove that (or (= |c_thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| 0) (forall ((v_ArrVal_216 (Array Int Int))) (<= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_216) c_~A~0.base) (+ c_~A~0.offset (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) 0))) is different from false [2022-01-19 01:30:51,510 WARN L838 $PredicateComparison]: unable to prove that (or (<= c_~size~0 |c_thread1Thread1of1ForFork2_#t~mem2#1|) (forall ((v_ArrVal_216 (Array Int Int))) (<= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_216) c_~A~0.base) (+ c_~A~0.offset (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) 0))) is different from false [2022-01-19 01:30:51,522 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2022-01-19 01:30:51,525 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-01-19 01:30:51,979 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 01:30:51,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [64333551] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 01:30:51,979 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 01:30:51,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 40 [2022-01-19 01:30:51,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445586228] [2022-01-19 01:30:51,980 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 01:30:51,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-01-19 01:30:51,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:30:51,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-01-19 01:30:51,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1256, Unknown=2, NotChecked=146, Total=1560 [2022-01-19 01:30:51,983 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 257 [2022-01-19 01:30:51,986 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 290 transitions, 1220 flow. Second operand has 40 states, 40 states have (on average 147.575) internal successors, (5903), 40 states have internal predecessors, (5903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:30:51,986 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:30:51,986 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 257 [2022-01-19 01:30:51,986 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:31:01,856 INFO L129 PetriNetUnfolder]: 29732/56871 cut-off events. [2022-01-19 01:31:01,857 INFO L130 PetriNetUnfolder]: For 59034/59271 co-relation queries the response was YES. [2022-01-19 01:31:02,479 INFO L84 FinitePrefix]: Finished finitePrefix Result has 148031 conditions, 56871 events. 29732/56871 cut-off events. For 59034/59271 co-relation queries the response was YES. Maximal size of possible extension queue 1842. Compared 583906 event pairs, 13880 based on Foata normal form. 464/55560 useless extension candidates. Maximal degree in co-relation 147985. Up to 10182 conditions per place. [2022-01-19 01:31:02,692 INFO L132 encePairwiseOnDemand]: 220/257 looper letters, 455 selfloop transitions, 83 changer transitions 0/675 dead transitions. [2022-01-19 01:31:02,692 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 675 transitions, 3686 flow [2022-01-19 01:31:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-19 01:31:02,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2022-01-19 01:31:02,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 7681 transitions. [2022-01-19 01:31:02,698 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5977431906614786 [2022-01-19 01:31:02,698 INFO L72 ComplementDD]: Start complementDD. Operand 50 states and 7681 transitions. [2022-01-19 01:31:02,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 7681 transitions. [2022-01-19 01:31:02,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:31:02,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 50 states and 7681 transitions. [2022-01-19 01:31:02,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 51 states, 50 states have (on average 153.62) internal successors, (7681), 50 states have internal predecessors, (7681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:31:02,718 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 51 states, 51 states have (on average 257.0) internal successors, (13107), 51 states have internal predecessors, (13107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:31:02,720 INFO L81 ComplementDD]: Finished complementDD. Result has 51 states, 51 states have (on average 257.0) internal successors, (13107), 51 states have internal predecessors, (13107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:31:02,720 INFO L186 Difference]: Start difference. First operand has 332 places, 290 transitions, 1220 flow. Second operand 50 states and 7681 transitions. [2022-01-19 01:31:02,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 675 transitions, 3686 flow [2022-01-19 01:31:03,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 675 transitions, 3574 flow, removed 33 selfloop flow, removed 20 redundant places. [2022-01-19 01:31:03,570 INFO L242 Difference]: Finished difference. Result has 376 places, 321 transitions, 1555 flow [2022-01-19 01:31:03,570 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=1156, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=50, PETRI_FLOW=1555, PETRI_PLACES=376, PETRI_TRANSITIONS=321} [2022-01-19 01:31:03,570 INFO L334 CegarLoopForPetriNet]: 228 programPoint places, 148 predicate places. [2022-01-19 01:31:03,571 INFO L470 AbstractCegarLoop]: Abstraction has has 376 places, 321 transitions, 1555 flow [2022-01-19 01:31:03,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 147.575) internal successors, (5903), 40 states have internal predecessors, (5903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:31:03,572 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:31:03,572 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:31:03,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-19 01:31:03,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-01-19 01:31:03,795 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 01:31:03,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:31:03,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1793274001, now seen corresponding path program 2 times [2022-01-19 01:31:03,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:31:03,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950405534] [2022-01-19 01:31:03,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:31:03,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:31:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:31:04,114 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 01:31:04,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:31:04,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950405534] [2022-01-19 01:31:04,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950405534] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 01:31:04,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721205214] [2022-01-19 01:31:04,115 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-19 01:31:04,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 01:31:04,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 01:31:04,119 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 01:31:04,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-19 01:31:04,218 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-19 01:31:04,218 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 01:31:04,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 28 conjunts are in the unsatisfiable core [2022-01-19 01:31:04,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 01:31:04,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-19 01:31:04,925 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-01-19 01:31:05,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-19 01:31:05,004 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-01-19 01:31:05,234 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-01-19 01:31:05,294 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 01:31:05,294 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 01:31:05,483 WARN L838 $PredicateComparison]: unable to prove that (or (<= c_~size~0 |c_thread1Thread1of1ForFork2_#t~mem2#1|) (forall ((v_ArrVal_258 (Array Int Int))) (<= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_258) c_~A~0.base) (+ c_~A~0.offset (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) 0))) is different from false [2022-01-19 01:31:05,539 WARN L838 $PredicateComparison]: unable to prove that (or (<= c_~size~0 |c_thread1Thread1of1ForFork2_#t~mem2#1|) (forall ((v_ArrVal_258 (Array Int Int)) (v_ArrVal_257 (Array Int Int))) (<= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_257) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_258) c_~A~0.base) (+ c_~A~0.offset (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) 0))) is different from false [2022-01-19 01:31:05,550 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 63 [2022-01-19 01:31:05,554 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2022-01-19 01:31:05,556 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2022-01-19 01:31:06,241 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 01:31:06,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721205214] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 01:31:06,242 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 01:31:06,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 23, 23] total 52 [2022-01-19 01:31:06,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348097742] [2022-01-19 01:31:06,242 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 01:31:06,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2022-01-19 01:31:06,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:31:06,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2022-01-19 01:31:06,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=2238, Unknown=2, NotChecked=194, Total=2652 [2022-01-19 01:31:06,247 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 257 [2022-01-19 01:31:06,250 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 321 transitions, 1555 flow. Second operand has 52 states, 52 states have (on average 149.25) internal successors, (7761), 52 states have internal predecessors, (7761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:31:06,250 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:31:06,250 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 257 [2022-01-19 01:31:06,250 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:31:15,784 INFO L129 PetriNetUnfolder]: 25285/50307 cut-off events. [2022-01-19 01:31:15,784 INFO L130 PetriNetUnfolder]: For 65795/66052 co-relation queries the response was YES. [2022-01-19 01:31:16,981 INFO L84 FinitePrefix]: Finished finitePrefix Result has 136393 conditions, 50307 events. 25285/50307 cut-off events. For 65795/66052 co-relation queries the response was YES. Maximal size of possible extension queue 1612. Compared 524930 event pairs, 9468 based on Foata normal form. 323/48976 useless extension candidates. Maximal degree in co-relation 136332. Up to 10182 conditions per place. [2022-01-19 01:31:17,239 INFO L132 encePairwiseOnDemand]: 220/257 looper letters, 374 selfloop transitions, 80 changer transitions 0/593 dead transitions. [2022-01-19 01:31:17,239 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 593 transitions, 3430 flow [2022-01-19 01:31:17,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-19 01:31:17,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2022-01-19 01:31:17,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 6946 transitions. [2022-01-19 01:31:17,244 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6006052745352356 [2022-01-19 01:31:17,244 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 6946 transitions. [2022-01-19 01:31:17,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 6946 transitions. [2022-01-19 01:31:17,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:31:17,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 6946 transitions. [2022-01-19 01:31:17,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 154.35555555555555) internal successors, (6946), 45 states have internal predecessors, (6946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:31:17,260 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 257.0) internal successors, (11822), 46 states have internal predecessors, (11822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:31:17,260 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 257.0) internal successors, (11822), 46 states have internal predecessors, (11822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:31:17,261 INFO L186 Difference]: Start difference. First operand has 376 places, 321 transitions, 1555 flow. Second operand 45 states and 6946 transitions. [2022-01-19 01:31:17,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 420 places, 593 transitions, 3430 flow [2022-01-19 01:31:18,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 593 transitions, 3281 flow, removed 17 selfloop flow, removed 30 redundant places. [2022-01-19 01:31:18,349 INFO L242 Difference]: Finished difference. Result has 397 places, 328 transitions, 1660 flow [2022-01-19 01:31:18,349 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=1406, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=1660, PETRI_PLACES=397, PETRI_TRANSITIONS=328} [2022-01-19 01:31:18,350 INFO L334 CegarLoopForPetriNet]: 228 programPoint places, 169 predicate places. [2022-01-19 01:31:18,350 INFO L470 AbstractCegarLoop]: Abstraction has has 397 places, 328 transitions, 1660 flow [2022-01-19 01:31:18,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 149.25) internal successors, (7761), 52 states have internal predecessors, (7761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:31:18,351 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:31:18,351 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:31:18,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-19 01:31:18,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 01:31:18,567 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 01:31:18,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:31:18,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1903821077, now seen corresponding path program 1 times [2022-01-19 01:31:18,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:31:18,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810034468] [2022-01-19 01:31:18,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:31:18,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:31:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:31:18,703 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-19 01:31:18,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:31:18,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810034468] [2022-01-19 01:31:18,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810034468] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 01:31:18,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380983262] [2022-01-19 01:31:18,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:31:18,704 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 01:31:18,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 01:31:18,705 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 01:31:18,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-19 01:31:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:31:18,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 15 conjunts are in the unsatisfiable core [2022-01-19 01:31:18,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 01:31:19,127 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-01-19 01:31:19,181 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-19 01:31:19,181 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 01:31:19,309 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-01-19 01:31:19,552 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-19 01:31:19,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380983262] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 01:31:19,552 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 01:31:19,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 30 [2022-01-19 01:31:19,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952107632] [2022-01-19 01:31:19,552 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 01:31:19,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-01-19 01:31:19,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:31:19,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-01-19 01:31:19,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=746, Unknown=0, NotChecked=0, Total=870 [2022-01-19 01:31:19,557 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 257 [2022-01-19 01:31:19,559 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 328 transitions, 1660 flow. Second operand has 30 states, 30 states have (on average 169.36666666666667) internal successors, (5081), 30 states have internal predecessors, (5081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:31:19,559 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:31:19,559 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 257 [2022-01-19 01:31:19,559 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:31:30,687 INFO L129 PetriNetUnfolder]: 29454/50500 cut-off events. [2022-01-19 01:31:30,687 INFO L130 PetriNetUnfolder]: For 94636/97186 co-relation queries the response was YES. [2022-01-19 01:31:31,313 INFO L84 FinitePrefix]: Finished finitePrefix Result has 142201 conditions, 50500 events. 29454/50500 cut-off events. For 94636/97186 co-relation queries the response was YES. Maximal size of possible extension queue 1742. Compared 480861 event pairs, 10809 based on Foata normal form. 2454/51115 useless extension candidates. Maximal degree in co-relation 142134. Up to 11707 conditions per place. [2022-01-19 01:31:31,492 INFO L132 encePairwiseOnDemand]: 233/257 looper letters, 413 selfloop transitions, 38 changer transitions 2/644 dead transitions. [2022-01-19 01:31:31,492 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 644 transitions, 4244 flow [2022-01-19 01:31:31,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-01-19 01:31:31,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2022-01-19 01:31:31,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 5163 transitions. [2022-01-19 01:31:31,496 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6927411780491077 [2022-01-19 01:31:31,496 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 5163 transitions. [2022-01-19 01:31:31,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 5163 transitions. [2022-01-19 01:31:31,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:31:31,497 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 5163 transitions. [2022-01-19 01:31:31,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 178.0344827586207) internal successors, (5163), 29 states have internal predecessors, (5163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:31:31,506 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 257.0) internal successors, (7710), 30 states have internal predecessors, (7710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:31:31,506 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 257.0) internal successors, (7710), 30 states have internal predecessors, (7710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:31:31,506 INFO L186 Difference]: Start difference. First operand has 397 places, 328 transitions, 1660 flow. Second operand 29 states and 5163 transitions. [2022-01-19 01:31:31,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 644 transitions, 4244 flow [2022-01-19 01:31:32,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 644 transitions, 3925 flow, removed 34 selfloop flow, removed 38 redundant places. [2022-01-19 01:31:32,043 INFO L242 Difference]: Finished difference. Result has 396 places, 339 transitions, 1667 flow [2022-01-19 01:31:32,043 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=1496, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=1667, PETRI_PLACES=396, PETRI_TRANSITIONS=339} [2022-01-19 01:31:32,044 INFO L334 CegarLoopForPetriNet]: 228 programPoint places, 168 predicate places. [2022-01-19 01:31:32,044 INFO L470 AbstractCegarLoop]: Abstraction has has 396 places, 339 transitions, 1667 flow [2022-01-19 01:31:32,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 169.36666666666667) internal successors, (5081), 30 states have internal predecessors, (5081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:31:32,045 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:31:32,045 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:31:32,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-19 01:31:32,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 01:31:32,254 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 01:31:32,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:31:32,254 INFO L85 PathProgramCache]: Analyzing trace with hash 809452374, now seen corresponding path program 3 times [2022-01-19 01:31:32,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:31:32,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408230636] [2022-01-19 01:31:32,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:31:32,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:31:32,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:31:33,146 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-19 01:31:33,146 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:31:33,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408230636] [2022-01-19 01:31:33,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408230636] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 01:31:33,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078101965] [2022-01-19 01:31:33,147 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-19 01:31:33,147 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 01:31:33,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 01:31:33,148 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 01:31:33,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-19 01:31:33,252 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-01-19 01:31:33,252 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 01:31:33,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 33 conjunts are in the unsatisfiable core [2022-01-19 01:31:33,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 01:31:34,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-19 01:31:34,084 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-01-19 01:31:34,241 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 01:31:34,242 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 19 [2022-01-19 01:31:34,543 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-19 01:31:34,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 01:31:34,963 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int) (v_ArrVal_343 (Array Int Int))) (or (<= (+ 2 ~M~0) c_~N~0) (< 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_343) c_~A~0.base) (+ c_~A~0.offset (* ~M~0 4)))) (<= 1 ~M~0))) is different from false [2022-01-19 01:31:35,076 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((~M~0 Int) (v_ArrVal_343 (Array Int Int))) (or (<= (+ 2 ~M~0) c_~N~0) (< 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_343) c_~A~0.base) (+ c_~A~0.offset (* ~M~0 4)))) (<= 1 ~M~0))) (not (< |c_thread1Thread1of1ForFork2_~j~0#1| |c_thread1Thread1of1ForFork2_#t~mem4#1|))) is different from false [2022-01-19 01:31:35,094 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 01:31:35,095 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 41 treesize of output 41 [2022-01-19 01:31:35,098 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-01-19 01:31:36,235 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 2 not checked. [2022-01-19 01:31:36,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078101965] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 01:31:36,236 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 01:31:36,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 25, 25] total 76 [2022-01-19 01:31:36,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889784852] [2022-01-19 01:31:36,236 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 01:31:36,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2022-01-19 01:31:36,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:31:36,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2022-01-19 01:31:36,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=289, Invalid=5119, Unknown=2, NotChecked=290, Total=5700 [2022-01-19 01:31:36,241 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 257 [2022-01-19 01:31:36,245 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 339 transitions, 1667 flow. Second operand has 76 states, 76 states have (on average 130.3815789473684) internal successors, (9909), 76 states have internal predecessors, (9909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:31:36,245 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:31:36,245 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 257 [2022-01-19 01:31:36,245 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand