/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/test-easy10.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 19:49:16,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 19:49:16,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 19:49:16,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 19:49:16,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 19:49:16,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 19:49:16,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 19:49:16,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 19:49:16,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 19:49:16,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 19:49:16,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 19:49:16,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 19:49:16,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 19:49:16,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 19:49:16,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 19:49:16,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 19:49:16,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 19:49:16,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 19:49:16,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 19:49:16,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 19:49:16,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 19:49:16,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 19:49:16,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 19:49:16,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 19:49:16,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 19:49:16,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 19:49:16,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 19:49:16,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 19:49:16,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 19:49:16,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-15 19:49:16,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-15 19:49:16,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-15 19:49:16,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-15 19:49:16,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-15 19:49:16,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-15 19:49:16,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-15 19:49:16,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-15 19:49:16,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-15 19:49:16,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 19:49:16,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 19:49:16,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 19:49:16,228 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2022-03-15 19:49:16,250 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 19:49:16,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 19:49:16,251 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 19:49:16,251 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 19:49:16,252 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 19:49:16,252 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 19:49:16,252 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 19:49:16,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 19:49:16,252 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 19:49:16,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 19:49:16,253 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 19:49:16,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 19:49:16,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 19:49:16,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 19:49:16,253 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 19:49:16,254 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 19:49:16,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 19:49:16,254 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 19:49:16,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 19:49:16,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 19:49:16,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 19:49:16,254 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 19:49:16,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 19:49:16,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 19:49:16,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 19:49:16,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 19:49:16,255 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 19:49:16,256 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 19:49:16,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 19:49:16,257 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 19:49:16,257 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 19:49:16,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 19:49:16,257 INFO L138 SettingsManager]: * Interpolant automaton=MCR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 19:49:16,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 19:49:16,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 19:49:16,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 19:49:16,485 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 19:49:16,486 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 19:49:16,486 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy10.wvr.c [2022-03-15 19:49:16,525 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4137998f4/d07ecad55de84b448e78069eda066dc2/FLAGb443e1245 [2022-03-15 19:49:16,815 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 19:49:16,816 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy10.wvr.c [2022-03-15 19:49:16,827 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4137998f4/d07ecad55de84b448e78069eda066dc2/FLAGb443e1245 [2022-03-15 19:49:17,253 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4137998f4/d07ecad55de84b448e78069eda066dc2 [2022-03-15 19:49:17,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 19:49:17,257 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 19:49:17,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 19:49:17,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 19:49:17,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 19:49:17,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 07:49:17" (1/1) ... [2022-03-15 19:49:17,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44e16d87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:49:17, skipping insertion in model container [2022-03-15 19:49:17,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 07:49:17" (1/1) ... [2022-03-15 19:49:17,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 19:49:17,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 19:49:17,480 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/test-easy10.wvr.c[3907,3920] [2022-03-15 19:49:17,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 19:49:17,487 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 19:49:17,518 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/test-easy10.wvr.c[3907,3920] [2022-03-15 19:49:17,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 19:49:17,530 INFO L208 MainTranslator]: Completed translation [2022-03-15 19:49:17,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:49:17 WrapperNode [2022-03-15 19:49:17,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 19:49:17,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 19:49:17,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 19:49:17,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 19:49:17,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:49:17" (1/1) ... [2022-03-15 19:49:17,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:49:17" (1/1) ... [2022-03-15 19:49:17,576 INFO L137 Inliner]: procedures = 23, calls = 84, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 188 [2022-03-15 19:49:17,576 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 19:49:17,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 19:49:17,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 19:49:17,577 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 19:49:17,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:49:17" (1/1) ... [2022-03-15 19:49:17,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:49:17" (1/1) ... [2022-03-15 19:49:17,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:49:17" (1/1) ... [2022-03-15 19:49:17,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:49:17" (1/1) ... [2022-03-15 19:49:17,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:49:17" (1/1) ... [2022-03-15 19:49:17,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:49:17" (1/1) ... [2022-03-15 19:49:17,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:49:17" (1/1) ... [2022-03-15 19:49:17,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 19:49:17,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 19:49:17,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 19:49:17,605 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 19:49:17,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:49:17" (1/1) ... [2022-03-15 19:49:17,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 19:49:17,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 19:49:17,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-15 19:49:17,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-15 19:49:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 19:49:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-15 19:49:17,713 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-15 19:49:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-15 19:49:17,713 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-15 19:49:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-15 19:49:17,713 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-15 19:49:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-15 19:49:17,713 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-15 19:49:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 19:49:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 19:49:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 19:49:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-15 19:49:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-15 19:49:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 19:49:17,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 19:49:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 19:49:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 19:49:17,716 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 19:49:17,783 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 19:49:17,784 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 19:49:18,011 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 19:49:18,041 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 19:49:18,041 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-15 19:49:18,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 07:49:18 BoogieIcfgContainer [2022-03-15 19:49:18,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 19:49:18,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 19:49:18,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 19:49:18,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 19:49:18,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 07:49:17" (1/3) ... [2022-03-15 19:49:18,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c6d9b03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 07:49:18, skipping insertion in model container [2022-03-15 19:49:18,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:49:17" (2/3) ... [2022-03-15 19:49:18,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c6d9b03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 07:49:18, skipping insertion in model container [2022-03-15 19:49:18,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 07:49:18" (3/3) ... [2022-03-15 19:49:18,047 INFO L111 eAbstractionObserver]: Analyzing ICFG test-easy10.wvr.c [2022-03-15 19:49:18,050 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 19:49:18,050 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 19:49:18,050 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-15 19:49:18,050 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 19:49:18,086 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,086 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,086 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,087 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,087 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,087 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,087 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,087 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,089 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,090 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,090 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,090 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,090 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,090 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,090 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,091 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,091 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,091 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,091 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,091 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,092 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,092 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,092 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,092 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,094 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,095 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,095 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,095 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,096 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,096 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,096 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,096 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,096 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,097 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,097 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,097 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,097 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,097 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,097 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,097 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:49:18,101 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-15 19:49:18,138 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 19:49:18,147 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 19:49:18,147 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-15 19:49:18,159 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 19:49:18,164 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 149 places, 138 transitions, 308 flow [2022-03-15 19:49:18,166 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 149 places, 138 transitions, 308 flow [2022-03-15 19:49:18,168 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 149 places, 138 transitions, 308 flow [2022-03-15 19:49:18,233 INFO L129 PetriNetUnfolder]: 2/134 cut-off events. [2022-03-15 19:49:18,233 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-03-15 19:49:18,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 134 events. 2/134 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 74 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 95. Up to 2 conditions per place. [2022-03-15 19:49:18,240 INFO L116 LiptonReduction]: Number of co-enabled transitions 1824 [2022-03-15 19:49:21,513 INFO L131 LiptonReduction]: Checked pairs total: 11443 [2022-03-15 19:49:21,513 INFO L133 LiptonReduction]: Total number of compositions: 101 [2022-03-15 19:49:21,520 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59 places, 46 transitions, 124 flow [2022-03-15 19:49:21,919 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 6402 states, 6401 states have (on average 3.804561787220747) internal successors, (24353), 6401 states have internal predecessors, (24353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:49:21,982 INFO L276 IsEmpty]: Start isEmpty. Operand has 6402 states, 6401 states have (on average 3.804561787220747) internal successors, (24353), 6401 states have internal predecessors, (24353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:49:22,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-03-15 19:49:22,037 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:49:22,038 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:49:22,038 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 19:49:22,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:49:22,042 INFO L85 PathProgramCache]: Analyzing trace with hash 39060965, now seen corresponding path program 1 times [2022-03-15 19:49:22,055 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:49:22,055 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868846766] [2022-03-15 19:49:22,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:49:22,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:49:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:49:22,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:49:22,451 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:49:22,452 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868846766] [2022-03-15 19:49:22,452 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868846766] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:49:22,452 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:49:22,452 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 19:49:22,453 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1272194173] [2022-03-15 19:49:22,454 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:49:22,460 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:49:22,657 INFO L252 McrAutomatonBuilder]: Finished intersection with 450 states and 1001 transitions. [2022-03-15 19:49:22,657 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:49:24,780 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [12959#(= (mod ~f11~0 256) 0)] [2022-03-15 19:49:24,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 19:49:24,782 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:49:24,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 19:49:24,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 19:49:24,806 INFO L87 Difference]: Start difference. First operand has 6402 states, 6401 states have (on average 3.804561787220747) internal successors, (24353), 6401 states have internal predecessors, (24353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:49:24,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:49:24,913 INFO L93 Difference]: Finished difference Result 5376 states and 20096 transitions. [2022-03-15 19:49:24,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 19:49:24,915 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-03-15 19:49:24,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:49:24,955 INFO L225 Difference]: With dead ends: 5376 [2022-03-15 19:49:24,955 INFO L226 Difference]: Without dead ends: 5376 [2022-03-15 19:49:24,956 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 408 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 19:49:24,958 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 23 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 19:49:24,958 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 29 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 19:49:25,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5376 states. [2022-03-15 19:49:25,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5376 to 5376. [2022-03-15 19:49:25,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5376 states, 5375 states have (on average 3.7387906976744185) internal successors, (20096), 5375 states have internal predecessors, (20096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:49:25,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5376 states to 5376 states and 20096 transitions. [2022-03-15 19:49:25,183 INFO L78 Accepts]: Start accepts. Automaton has 5376 states and 20096 transitions. Word has length 41 [2022-03-15 19:49:25,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:49:25,184 INFO L470 AbstractCegarLoop]: Abstraction has 5376 states and 20096 transitions. [2022-03-15 19:49:25,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:49:25,185 INFO L276 IsEmpty]: Start isEmpty. Operand 5376 states and 20096 transitions. [2022-03-15 19:49:25,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-03-15 19:49:25,201 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:49:25,201 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:49:25,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 19:49:25,202 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 19:49:25,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:49:25,203 INFO L85 PathProgramCache]: Analyzing trace with hash -540166279, now seen corresponding path program 2 times [2022-03-15 19:49:25,204 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:49:25,204 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711081191] [2022-03-15 19:49:25,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:49:25,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:49:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:49:25,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:49:25,329 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:49:25,329 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711081191] [2022-03-15 19:49:25,329 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711081191] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:49:25,329 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:49:25,330 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 19:49:25,330 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1206246218] [2022-03-15 19:49:25,330 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:49:25,347 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:49:25,871 INFO L252 McrAutomatonBuilder]: Finished intersection with 1074 states and 3059 transitions. [2022-03-15 19:49:25,871 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:49:30,611 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [29091#(= 0 (mod ~f12~0 256))] [2022-03-15 19:49:30,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 19:49:30,612 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:49:30,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 19:49:30,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 19:49:30,613 INFO L87 Difference]: Start difference. First operand 5376 states and 20096 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:49:30,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:49:30,710 INFO L93 Difference]: Finished difference Result 4512 states and 16568 transitions. [2022-03-15 19:49:30,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 19:49:30,711 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-03-15 19:49:30,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:49:30,733 INFO L225 Difference]: With dead ends: 4512 [2022-03-15 19:49:30,733 INFO L226 Difference]: Without dead ends: 4512 [2022-03-15 19:49:30,733 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1034 GetRequests, 1032 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 19:49:30,734 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 18 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 19:49:30,735 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 29 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 19:49:30,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4512 states. [2022-03-15 19:49:30,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4512 to 4512. [2022-03-15 19:49:30,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4512 states, 4511 states have (on average 3.6727998226557306) internal successors, (16568), 4511 states have internal predecessors, (16568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:49:30,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4512 states to 4512 states and 16568 transitions. [2022-03-15 19:49:30,884 INFO L78 Accepts]: Start accepts. Automaton has 4512 states and 16568 transitions. Word has length 41 [2022-03-15 19:49:30,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:49:30,885 INFO L470 AbstractCegarLoop]: Abstraction has 4512 states and 16568 transitions. [2022-03-15 19:49:30,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:49:30,885 INFO L276 IsEmpty]: Start isEmpty. Operand 4512 states and 16568 transitions. [2022-03-15 19:49:30,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-03-15 19:49:30,900 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:49:30,900 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:49:30,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 19:49:30,901 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 19:49:30,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:49:30,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1096074063, now seen corresponding path program 3 times [2022-03-15 19:49:30,904 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:49:30,904 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118248948] [2022-03-15 19:49:30,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:49:30,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:49:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:49:31,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:49:31,806 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:49:31,806 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118248948] [2022-03-15 19:49:31,807 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118248948] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:49:31,807 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:49:31,807 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-03-15 19:49:31,807 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1632953510] [2022-03-15 19:49:31,807 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:49:31,813 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:49:32,781 INFO L252 McrAutomatonBuilder]: Finished intersection with 2562 states and 8897 transitions. [2022-03-15 19:49:32,782 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:51:42,896 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 159 new interpolants: [42663#(and (< (mod ~t21~0 256) (+ (* (div (mod ~t21~0 256) 4294967296) 4294967296) 2)) (<= 0 ~t21~0) (< (+ (* (div ~y2~0 4294967296) 4294967296) (mod ~t11~0 256)) (+ (* (div (mod ~t11~0 256) 4294967296) 4294967296) ~y2~0 1)) (<= (div ~y2~0 4294967296) 0) (or (not (= (mod (+ ~x2~0 1) 4294967296) 0)) (< (mod ~t21~0 256) (+ (* (div (mod ~t21~0 256) 4294967296) 4294967296) 1))) (<= (div ~t21~0 256) 0) (or (<= 1 ~t21~0) (= (mod (+ ~x2~0 1) 4294967296) 0)) (<= (+ (* (div (mod ~t11~0 256) 4294967296) 4294967296) ~y2~0) (+ (* (div ~y2~0 4294967296) 4294967296) (mod ~t11~0 256)))), 42658#(and (<= (div (+ ~x1~0 1) 4294967296) 0) (<= 0 ~y1~0) (<= 1 ~y2~0) (<= (div (+ ~y1~0 1) 4294967296) 0) (<= 0 ~x1~0) (<= 0 (div (+ (* (- 1) ~y2~0) 1) 256)) (<= (+ (* 256 (div (+ (* (- 1) (mod ~t22~0 256)) 256) 256)) (mod ~t22~0 256)) 1)), 42798#(and (<= (div (+ ~x1~0 1) 4294967296) 0) (<= 0 (div (+ (- 1) ~t11~0) 256)) (< (mod ~t11~0 256) (+ (* (div (mod ~t11~0 256) 4294967296) 4294967296) 2)) (<= (div ~t11~0 256) 0) (<= 0 ~x1~0)), 42797#(and (<= (div (+ ~x2~0 1) 4294967296) 0) (<= 0 ~x2~0)), 42693#(and (or (not (= (mod (+ ~x2~0 1) 4294967296) 0)) (< ~x1~0 (+ (* (div ~x1~0 4294967296) 4294967296) 1))) (<= (mod ~t12~0 256) (+ (* 4294967296 (div (mod ~t12~0 256) 4294967296)) 1)) (or (= (mod (+ ~x2~0 1) 4294967296) 0) (<= (+ (* (div ~x1~0 4294967296) 4294967296) 1) ~x1~0)) (< (div ~x1~0 4294967296) 1) (< ~x1~0 (+ (* (div ~x1~0 4294967296) 4294967296) 2)) (or (not (= 0 (mod (+ ~y1~0 1) 4294967296))) (<= (mod ~t12~0 256) (* 4294967296 (div (mod ~t12~0 256) 4294967296)))) (or (= 0 (mod (+ ~y1~0 1) 4294967296)) (< (* 4294967296 (div (mod ~t12~0 256) 4294967296)) (mod ~t12~0 256)))), 42691#(and (<= (mod ~t12~0 256) (+ (* 4294967296 (div (mod ~t12~0 256) 4294967296)) 1)) (<= (+ (* (div ~x1~0 4294967296) 4294967296) ~x2~0) (+ ~x1~0 (* (div ~x2~0 4294967296) 4294967296))) (< (+ ~x1~0 (* (div ~x2~0 4294967296) 4294967296)) (+ (* (div ~x1~0 4294967296) 4294967296) ~x2~0 1)) (< (div ~x1~0 4294967296) (+ (div ~x2~0 4294967296) 1)) (or (not (= 0 (mod (+ ~y1~0 1) 4294967296))) (<= (mod ~t12~0 256) (* 4294967296 (div (mod ~t12~0 256) 4294967296)))) (or (= 0 (mod (+ ~y1~0 1) 4294967296)) (< (* 4294967296 (div (mod ~t12~0 256) 4294967296)) (mod ~t12~0 256)))), 42791#(and (not (= 0 (mod (+ ~y1~0 1) 4294967296))) (<= (+ (* (div (mod ~t21~0 256) 4294967296) 4294967296) 1) (mod ~t21~0 256)) (< (mod ~t21~0 256) (+ (* (div (mod ~t21~0 256) 4294967296) 4294967296) 2)) (<= 0 ~t21~0) (<= (div ~t21~0 256) 0)), 42678#(and (<= (div (+ ~x1~0 1) 4294967296) 0) (< (+ (* 4294967296 (div (mod ~t12~0 256) 4294967296)) ~y1~0) (+ (mod ~t12~0 256) (* 4294967296 (div ~y1~0 4294967296)) 1)) (not (= (mod (+ ~x2~0 1) 4294967296) 0)) (<= (+ (mod ~t12~0 256) (* 4294967296 (div ~y1~0 4294967296))) (+ (* 4294967296 (div (mod ~t12~0 256) 4294967296)) ~y1~0)) (< 0 (+ (div ~y1~0 4294967296) 1)) (<= 0 ~x1~0)), 42712#(and (<= (+ (* (div ~x1~0 4294967296) 4294967296) ~x2~0) (+ ~x1~0 (* (div ~x2~0 4294967296) 4294967296))) (or (= (mod (+ ~y2~0 1) 4294967296) 0) (<= (+ (* (div (mod ~t11~0 256) 4294967296) 4294967296) 1) (mod ~t11~0 256))) (< (mod ~t11~0 256) (+ (* (div (mod ~t11~0 256) 4294967296) 4294967296) 2)) (< (+ ~x1~0 (* (div ~x2~0 4294967296) 4294967296)) (+ (* (div ~x1~0 4294967296) 4294967296) ~x2~0 1)) (< (div ~x1~0 4294967296) (+ (div ~x2~0 4294967296) 1)) (or (not (= (mod (+ ~y2~0 1) 4294967296) 0)) (< (mod ~t11~0 256) (+ (* (div (mod ~t11~0 256) 4294967296) 4294967296) 1)))), 42730#(and (<= (div (+ ~x1~0 1) 4294967296) 0) (< 0 (+ (div ~x2~0 4294967296) 1)) (<= 0 ~y1~0) (not (= (mod (+ ~y2~0 1) 4294967296) 0)) (<= (div (+ ~y1~0 1) 4294967296) 0) (<= (+ (* (div (+ (* (- 1) ~x2~0) 256) 256) 256) ~x2~0) 1) (<= 0 ~x1~0) (<= ~x2~0 1)), 42731#(and (<= (div (+ ~x1~0 1) 4294967296) 0) (<= 0 ~y1~0) (not (= (mod (+ ~y2~0 1) 4294967296) 0)) (<= (div (+ ~y1~0 1) 4294967296) 0) (<= 0 ~x1~0) (<= (+ (* 256 (div (+ (* (- 1) (mod ~t22~0 256)) 256) 256)) (mod ~t22~0 256)) 1)), 42740#(and (or (= 0 (mod (+ ~y1~0 1) 4294967296)) (not (= (mod (+ ~y2~0 1) 4294967296) 0))) (< (div ~x1~0 4294967296) 1) (< ~x1~0 (+ (* (div ~x1~0 4294967296) 4294967296) 2)) (<= (+ (* (div ~x1~0 4294967296) 4294967296) 1) ~x1~0) (or (= (mod (+ ~y2~0 1) 4294967296) 0) (not (= 0 (mod (+ ~y1~0 1) 4294967296))))), 42746#(and (<= (div (+ ~x1~0 1) 4294967296) 0) (<= 0 ~y1~0) (not (= (mod (+ ~y2~0 1) 4294967296) 0)) (<= (div (+ ~y1~0 1) 4294967296) 0) (<= 0 ~x1~0)), 42655#(and (<= ~y2~0 (+ (* (div ~y2~0 4294967296) 4294967296) 1)) (<= (mod ~t22~0 256) ~t21~0) (or (not (= 0 (mod (+ ~y1~0 1) 4294967296))) (<= ~y2~0 (* (div ~y2~0 4294967296) 4294967296))) (<= (div ~y2~0 4294967296) 0) (< (+ (mod ~t21~0 256) (* (div (mod ~t22~0 256) 4294967296) 4294967296)) (+ (* (div (mod ~t21~0 256) 4294967296) 4294967296) (mod ~t22~0 256) 1)) (<= (div ~t21~0 256) 0) (or (= 0 (mod (+ ~y1~0 1) 4294967296)) (< (* (div ~y2~0 4294967296) 4294967296) ~y2~0))), 42757#(and (<= (div (+ ~x1~0 1) 4294967296) 0) (<= (+ (* 4294967296 (div ~y1~0 4294967296)) 1) ~y1~0) (< ~y1~0 (+ 2 (* 4294967296 (div ~y1~0 4294967296)))) (< 0 (+ (div ~y1~0 4294967296) 1)) (<= 0 ~x1~0)), 42720#(and (<= (div (+ ~x1~0 1) 4294967296) 0) (not (= (mod (+ ~x2~0 1) 4294967296) 0)) (or (= (mod (+ ~y2~0 1) 4294967296) 0) (<= (+ (* (div (mod ~t11~0 256) 4294967296) 4294967296) 1) (mod ~t11~0 256))) (< (mod ~t11~0 256) (+ (* (div (mod ~t11~0 256) 4294967296) 4294967296) 2)) (<= 0 ~x1~0) (or (not (= (mod (+ ~y2~0 1) 4294967296) 0)) (< (mod ~t11~0 256) (+ (* (div (mod ~t11~0 256) 4294967296) 4294967296) 1)))), 42659#(and (or (not (= (mod (+ ~x2~0 1) 4294967296) 0)) (< ~x1~0 (+ (* (div ~x1~0 4294967296) 4294967296) 1))) (< (+ ~y1~0 (* (div ~y2~0 4294967296) 4294967296)) (+ (* 4294967296 (div ~y1~0 4294967296)) ~y2~0 1)) (or (= (mod (+ ~x2~0 1) 4294967296) 0) (<= (+ (* (div ~x1~0 4294967296) 4294967296) 1) ~x1~0)) (< 0 (+ (div ~y1~0 4294967296) 1)) (<= (div ~y2~0 4294967296) 0) (< (div ~x1~0 4294967296) 1) (< ~x1~0 (+ (* (div ~x1~0 4294967296) 4294967296) 2)) (<= (+ (* 4294967296 (div ~y1~0 4294967296)) ~y2~0) (+ ~y1~0 (* (div ~y2~0 4294967296) 4294967296)))), 42669#(and (<= (div (+ ~x1~0 1) 4294967296) 0) (<= 0 ~y1~0) (not (= (mod (+ ~x2~0 1) 4294967296) 0)) (<= 1 ~y2~0) (<= (div (+ ~y1~0 1) 4294967296) 0) (<= 0 ~x1~0) (<= 0 (div (+ (* (- 1) ~y2~0) 1) 256))), 42665#(and (<= (div (+ ~x1~0 1) 4294967296) 0) (not (= (mod (+ ~x2~0 1) 4294967296) 0)) (<= 0 (div (+ ~t11~0 (* (- 1) ~y2~0)) 256)) (<= (div ~t11~0 256) 0) (<= ~t11~0 (+ (* (div (+ (- 1) ~t11~0) 256) 256) ~y2~0)) (<= 0 ~x1~0)), 42697#(and (<= (div (+ ~x1~0 1) 4294967296) 0) (< 0 (+ (div ~x2~0 4294967296) 1)) (< (* (div ~x2~0 4294967296) 4294967296) ~x2~0) (<= (mod ~t12~0 256) (+ (* 4294967296 (div (mod ~t12~0 256) 4294967296)) 1)) (<= 0 ~x1~0) (or (not (= 0 (mod (+ ~y1~0 1) 4294967296))) (<= (mod ~t12~0 256) (* 4294967296 (div (mod ~t12~0 256) 4294967296)))) (or (= 0 (mod (+ ~y1~0 1) 4294967296)) (< (* 4294967296 (div (mod ~t12~0 256) 4294967296)) (mod ~t12~0 256))) (<= ~x2~0 1)), 42738#(and (or (= (mod (+ ~y2~0 1) 4294967296) 0) (<= (+ (* (div (mod ~t11~0 256) 4294967296) 4294967296) 1) (mod ~t11~0 256))) (< (mod ~t11~0 256) (+ (* (div (mod ~t11~0 256) 4294967296) 4294967296) 2)) (< (div ~x1~0 4294967296) 1) (< ~x1~0 (+ (* (div ~x1~0 4294967296) 4294967296) 2)) (<= (+ (* (div ~x1~0 4294967296) 4294967296) 1) ~x1~0) (or (not (= (mod (+ ~y2~0 1) 4294967296) 0)) (< (mod ~t11~0 256) (+ (* (div (mod ~t11~0 256) 4294967296) 4294967296) 1)))), 42696#(and (< (mod ~t21~0 256) (+ (* (div (mod ~t21~0 256) 4294967296) 4294967296) 2)) (<= (mod ~t12~0 256) (+ (* 4294967296 (div (mod ~t12~0 256) 4294967296)) 1)) (<= 0 ~t21~0) (or (not (= (mod (+ ~x2~0 1) 4294967296) 0)) (< (mod ~t21~0 256) (+ (* (div (mod ~t21~0 256) 4294967296) 4294967296) 1))) (<= (div ~t21~0 256) 0) (or (<= 1 ~t21~0) (= (mod (+ ~x2~0 1) 4294967296) 0)) (or (not (= 0 (mod (+ ~y1~0 1) 4294967296))) (<= (mod ~t12~0 256) (* 4294967296 (div (mod ~t12~0 256) 4294967296)))) (or (= 0 (mod (+ ~y1~0 1) 4294967296)) (< (* 4294967296 (div (mod ~t12~0 256) 4294967296)) (mod ~t12~0 256)))), 42648#(and (not (<= (+ (div (mod ~t22~0 256) 4294967296) 1) (div ~x1~0 4294967296))) (< (+ ~y1~0 (* (div ~y2~0 4294967296) 4294967296)) (+ (* 4294967296 (div ~y1~0 4294967296)) ~y2~0 1)) (not (<= (+ (div ~y1~0 4294967296) 1) 0)) (<= (div ~y2~0 4294967296) 0) (<= (+ (* 4294967296 (div ~y1~0 4294967296)) ~y2~0) (+ ~y1~0 (* (div ~y2~0 4294967296) 4294967296))) (< (+ ~x1~0 (* (div (mod ~t22~0 256) 4294967296) 4294967296)) (+ (* (div ~x1~0 4294967296) 4294967296) (mod ~t22~0 256) 1)) (<= (+ (* (div ~x1~0 4294967296) 4294967296) (mod ~t22~0 256)) (+ ~x1~0 (* (div (mod ~t22~0 256) 4294967296) 4294967296)))), 42729#(and (<= (div (+ ~x1~0 1) 4294967296) 0) (<= (mod ~t22~0 256) 1) (< (* (div (mod ~t22~0 256) 4294967296) 4294967296) (mod ~t22~0 256)) (or (= 0 (mod (+ ~y1~0 1) 4294967296)) (not (= (mod (+ ~y2~0 1) 4294967296) 0))) (<= 0 ~x1~0) (or (= (mod (+ ~y2~0 1) 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~t21~0 256) 0)), 42671#(and (< (+ (* 4294967296 (div (mod ~t12~0 256) 4294967296)) ~y1~0) (+ (mod ~t12~0 256) (* 4294967296 (div ~y1~0 4294967296)) 1)) (<= (+ (mod ~t12~0 256) (* 4294967296 (div ~y1~0 4294967296))) (+ (* 4294967296 (div (mod ~t12~0 256) 4294967296)) ~y1~0)) (< 0 (+ (div ~y1~0 4294967296) 1)) (<= ~x2~0 ~t21~0) (<= (div ~t21~0 256) 0) (<= (+ ~x2~0 (* (div (+ (* (- 1) ~x2~0) 255 ~t21~0) 256) 256)) ~t21~0) (< (div (mod ~t21~0 256) 4294967296) (+ (div ~x2~0 4294967296) 1))), 42786#(and (<= (div (+ ~x1~0 1) 4294967296) 0) (not (= (mod (+ ~x2~0 1) 4294967296) 0)) (< (mod ~t11~0 256) (+ (* (div (mod ~t11~0 256) 4294967296) 4294967296) 2)) (<= 0 ~x1~0) (<= (+ (* (div (mod ~t11~0 256) 4294967296) 4294967296) 1) (mod ~t11~0 256))), 42737#(and (< (mod ~t21~0 256) (+ (* (div (mod ~t21~0 256) 4294967296) 4294967296) 2)) (<= 1 ~t21~0) (or (= (mod (+ ~y2~0 1) 4294967296) 0) (<= (+ (* 4294967296 (div ~y1~0 4294967296)) 1) ~y1~0)) (< ~y1~0 (+ 2 (* 4294967296 (div ~y1~0 4294967296)))) (< 0 (+ (div ~y1~0 4294967296) 1)) (or (not (= (mod (+ ~y2~0 1) 4294967296) 0)) (< ~y1~0 (+ (* 4294967296 (div ~y1~0 4294967296)) 1))) (<= (div ~t21~0 256) 0)), 42754#(and (< (mod ~t21~0 256) (+ (* (div (mod ~t21~0 256) 4294967296) 4294967296) 2)) (<= 0 ~t21~0) (< (mod ~t11~0 256) (+ (* (div (mod ~t11~0 256) 4294967296) 4294967296) 2)) (or (not (= (mod (+ ~x2~0 1) 4294967296) 0)) (< (mod ~t21~0 256) (+ (* (div (mod ~t21~0 256) 4294967296) 4294967296) 1))) (<= (div ~t21~0 256) 0) (or (<= 1 ~t21~0) (= (mod (+ ~x2~0 1) 4294967296) 0)) (<= (+ (* (div (mod ~t11~0 256) 4294967296) 4294967296) 1) (mod ~t11~0 256))), 42796#(and (<= (div (+ ~x1~0 1) 4294967296) 0) (not (= (mod (+ ~x2~0 1) 4294967296) 0)) (<= 0 ~x1~0)), 42728#(and (<= (mod ~t22~0 256) ~t21~0) (or (= 0 (mod (+ ~y1~0 1) 4294967296)) (not (= (mod (+ ~y2~0 1) 4294967296) 0))) (< (+ (mod ~t21~0 256) (* (div (mod ~t22~0 256) 4294967296) 4294967296)) (+ (* (div (mod ~t21~0 256) 4294967296) 4294967296) (mod ~t22~0 256) 1)) (<= (div ~t21~0 256) 0) (or (= (mod (+ ~y2~0 1) 4294967296) 0) (not (= 0 (mod (+ ~y1~0 1) 4294967296))))), 42762#(and (<= (div (+ ~x1~0 1) 4294967296) 0) (<= 0 (div (+ (* (mod ~t12~0 256) (- 1)) 1) 256)) (<= 1 (mod ~t12~0 256)) (<= 0 ~x1~0) (<= (+ (* 256 (div (+ (* (- 1) (mod ~t22~0 256)) 256) 256)) (mod ~t22~0 256)) 1)), 42685#(and (< (+ (* 4294967296 (div (mod ~t12~0 256) 4294967296)) (mod ~t11~0 256)) (+ (mod ~t12~0 256) (* (div (mod ~t11~0 256) 4294967296) 4294967296) 1)) (<= (div (+ ~x1~0 1) 4294967296) 0) (< 0 (+ (div ~x2~0 4294967296) 1)) (<= (+ (mod ~t12~0 256) (* (div (mod ~t11~0 256) 4294967296) 4294967296)) (+ (* 4294967296 (div (mod ~t12~0 256) 4294967296)) (mod ~t11~0 256))) (<= (+ (* (div (+ (* (- 1) ~x2~0) 256) 256) 256) ~x2~0) 1) (<= 0 ~x1~0) (<= ~x2~0 1)), 42793#(and (<= (div (+ ~x1~0 1) 4294967296) 0) (not (= 0 (mod (+ ~y1~0 1) 4294967296))) (<= 0 ~x1~0)), 42662#(and (or (not (= (mod (+ ~x2~0 1) 4294967296) 0)) (< ~x1~0 (+ (* (div ~x1~0 4294967296) 4294967296) 1))) (or (= (mod (+ ~x2~0 1) 4294967296) 0) (<= (+ (* (div ~x1~0 4294967296) 4294967296) 1) ~x1~0)) (< (+ (* (div ~y2~0 4294967296) 4294967296) (mod ~t11~0 256)) (+ (* (div (mod ~t11~0 256) 4294967296) 4294967296) ~y2~0 1)) (<= (div ~y2~0 4294967296) 0) (< (div ~x1~0 4294967296) 1) (< ~x1~0 (+ (* (div ~x1~0 4294967296) 4294967296) 2)) (<= (+ (* (div (mod ~t11~0 256) 4294967296) 4294967296) ~y2~0) (+ (* (div ~y2~0 4294967296) 4294967296) (mod ~t11~0 256)))), 42681#(and (< (+ (* 4294967296 (div (mod ~t12~0 256) 4294967296)) (mod ~t11~0 256)) (+ (mod ~t12~0 256) (* (div (mod ~t11~0 256) 4294967296) 4294967296) 1)) (or (not (= (mod (+ ~x2~0 1) 4294967296) 0)) (< ~x1~0 (+ (* (div ~x1~0 4294967296) 4294967296) 1))) (or (= (mod (+ ~x2~0 1) 4294967296) 0) (<= (+ (* (div ~x1~0 4294967296) 4294967296) 1) ~x1~0)) (<= (+ (mod ~t12~0 256) (* (div (mod ~t11~0 256) 4294967296) 4294967296)) (+ (* 4294967296 (div (mod ~t12~0 256) 4294967296)) (mod ~t11~0 256))) (< (div ~x1~0 4294967296) 1) (< ~x1~0 (+ (* (div ~x1~0 4294967296) 4294967296) 2))), 42784#(and (<= (div (+ ~x2~0 1) 4294967296) 0) (<= 0 ~x2~0) (<= 0 ~y2~0) (<= (div (+ ~y2~0 1) 4294967296) 0)), 42716#(and (or (not (= (mod (+ ~x2~0 1) 4294967296) 0)) (< ~x1~0 (+ (* (div ~x1~0 4294967296) 4294967296) 1))) (or (= (mod (+ ~x2~0 1) 4294967296) 0) (<= (+ (* (div ~x1~0 4294967296) 4294967296) 1) ~x1~0)) (or (= (mod (+ ~y2~0 1) 4294967296) 0) (<= (+ (* (div (mod ~t11~0 256) 4294967296) 4294967296) 1) (mod ~t11~0 256))) (< (mod ~t11~0 256) (+ (* (div (mod ~t11~0 256) 4294967296) 4294967296) 2)) (< (div ~x1~0 4294967296) 1) (< ~x1~0 (+ (* (div ~x1~0 4294967296) 4294967296) 2)) (or (not (= (mod (+ ~y2~0 1) 4294967296) 0)) (< (mod ~t11~0 256) (+ (* (div (mod ~t11~0 256) 4294967296) 4294967296) 1)))), 42760#(and (<= (div (+ ~x1~0 1) 4294967296) 0) (not (= (mod (+ ~x2~0 1) 4294967296) 0)) (<= 1 ~y2~0) (<= 0 ~x1~0) (<= 0 (div (+ (* (- 1) ~y2~0) 1) 256)))] [2022-03-15 19:51:42,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 173 states [2022-03-15 19:51:42,898 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:51:42,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 173 interpolants. [2022-03-15 19:51:42,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=875, Invalid=28881, Unknown=0, NotChecked=0, Total=29756 [2022-03-15 19:51:42,906 INFO L87 Difference]: Start difference. First operand 4512 states and 16568 transitions. Second operand has 173 states, 172 states have (on average 6.988372093023256) internal successors, (1202), 173 states have internal predecessors, (1202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:55:20,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:55:20,836 INFO L93 Difference]: Finished difference Result 13474 states and 44284 transitions. [2022-03-15 19:55:20,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 324 states. [2022-03-15 19:55:20,837 INFO L78 Accepts]: Start accepts. Automaton has has 173 states, 172 states have (on average 6.988372093023256) internal successors, (1202), 173 states have internal predecessors, (1202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-03-15 19:55:20,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:55:20,915 INFO L225 Difference]: With dead ends: 13474 [2022-03-15 19:55:20,916 INFO L226 Difference]: Without dead ends: 9730 [2022-03-15 19:55:20,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3154 GetRequests, 2627 SyntacticMatches, 45 SemanticMatches, 482 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53874 ImplicationChecksByTransitivity, 114.0s TimeCoverageRelationStatistics Valid=24387, Invalid=209385, Unknown=0, NotChecked=0, Total=233772 [2022-03-15 19:55:20,940 INFO L933 BasicCegarLoop]: 535 mSDtfsCounter, 4243 mSDsluCounter, 126884 mSDsCounter, 0 mSdLazyCounter, 178887 mSolverCounterSat, 1142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 109.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4243 SdHoareTripleChecker+Valid, 32300 SdHoareTripleChecker+Invalid, 180029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 1142 IncrementalHoareTripleChecker+Valid, 178887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 124.1s IncrementalHoareTripleChecker+Time [2022-03-15 19:55:20,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4243 Valid, 32300 Invalid, 180029 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [1142 Valid, 178887 Invalid, 0 Unknown, 0 Unchecked, 124.1s Time] [2022-03-15 19:55:20,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9730 states. [2022-03-15 19:55:21,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9730 to 5542. [2022-03-15 19:55:21,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5542 states, 5541 states have (on average 3.5204836672080853) internal successors, (19507), 5541 states have internal predecessors, (19507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:55:21,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5542 states to 5542 states and 19507 transitions. [2022-03-15 19:55:21,112 INFO L78 Accepts]: Start accepts. Automaton has 5542 states and 19507 transitions. Word has length 41 [2022-03-15 19:55:21,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:55:21,112 INFO L470 AbstractCegarLoop]: Abstraction has 5542 states and 19507 transitions. [2022-03-15 19:55:21,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 173 states, 172 states have (on average 6.988372093023256) internal successors, (1202), 173 states have internal predecessors, (1202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:55:21,113 INFO L276 IsEmpty]: Start isEmpty. Operand 5542 states and 19507 transitions. [2022-03-15 19:55:21,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-03-15 19:55:21,127 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:55:21,127 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:55:21,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 19:55:21,127 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 19:55:21,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:55:21,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1935783373, now seen corresponding path program 4 times [2022-03-15 19:55:21,137 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:55:21,139 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631266256] [2022-03-15 19:55:21,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:55:21,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:55:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:55:21,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:55:21,234 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:55:21,234 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631266256] [2022-03-15 19:55:21,236 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631266256] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:55:21,236 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:55:21,236 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 19:55:21,237 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1787017565] [2022-03-15 19:55:21,237 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:55:21,240 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:55:21,851 INFO L252 McrAutomatonBuilder]: Finished intersection with 2114 states and 6689 transitions. [2022-03-15 19:55:21,852 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:55:29,707 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [68294#(= (mod ~f22~0 256) 0)] [2022-03-15 19:55:29,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 19:55:29,708 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:55:29,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 19:55:29,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 19:55:29,709 INFO L87 Difference]: Start difference. First operand 5542 states and 19507 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:55:29,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:55:29,776 INFO L93 Difference]: Finished difference Result 3464 states and 11655 transitions. [2022-03-15 19:55:29,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 19:55:29,776 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-03-15 19:55:29,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:55:29,789 INFO L225 Difference]: With dead ends: 3464 [2022-03-15 19:55:29,790 INFO L226 Difference]: Without dead ends: 2606 [2022-03-15 19:55:29,790 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1714 GetRequests, 1712 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 19:55:29,791 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 16 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 19:55:29,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 29 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 19:55:29,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2606 states. [2022-03-15 19:55:29,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2606 to 2114. [2022-03-15 19:55:29,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2114 states, 2113 states have (on average 3.336015144344534) internal successors, (7049), 2113 states have internal predecessors, (7049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:55:29,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 2114 states and 7049 transitions. [2022-03-15 19:55:29,837 INFO L78 Accepts]: Start accepts. Automaton has 2114 states and 7049 transitions. Word has length 41 [2022-03-15 19:55:29,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:55:29,837 INFO L470 AbstractCegarLoop]: Abstraction has 2114 states and 7049 transitions. [2022-03-15 19:55:29,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:55:29,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 7049 transitions. [2022-03-15 19:55:29,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-03-15 19:55:29,842 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:55:29,842 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:55:29,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 19:55:29,843 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 19:55:29,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:55:29,843 INFO L85 PathProgramCache]: Analyzing trace with hash -209701905, now seen corresponding path program 5 times [2022-03-15 19:55:29,844 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:55:29,845 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294111753] [2022-03-15 19:55:29,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:55:29,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:55:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:55:29,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:55:29,921 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:55:29,921 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294111753] [2022-03-15 19:55:29,921 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294111753] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:55:29,923 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:55:29,923 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 19:55:29,923 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1890722700] [2022-03-15 19:55:29,923 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:55:29,927 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:55:30,480 INFO L252 McrAutomatonBuilder]: Finished intersection with 2114 states and 6915 transitions. [2022-03-15 19:55:30,480 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:55:39,177 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 19:55:39,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 19:55:39,178 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:55:39,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 19:55:39,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 19:55:39,178 INFO L87 Difference]: Start difference. First operand 2114 states and 7049 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:55:39,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:55:39,190 INFO L93 Difference]: Finished difference Result 586 states and 1880 transitions. [2022-03-15 19:55:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 19:55:39,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-03-15 19:55:39,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:55:39,191 INFO L225 Difference]: With dead ends: 586 [2022-03-15 19:55:39,191 INFO L226 Difference]: Without dead ends: 0 [2022-03-15 19:55:39,191 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1940 GetRequests, 1936 SyntacticMatches, 3 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 19:55:39,191 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 19:55:39,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 19:55:39,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-15 19:55:39,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-15 19:55:39,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:55:39,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-15 19:55:39,192 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2022-03-15 19:55:39,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:55:39,193 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-15 19:55:39,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 19:55:39,193 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-15 19:55:39,193 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-15 19:55:39,195 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-03-15 19:55:39,195 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-15 19:55:39,196 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-15 19:55:39,196 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-15 19:55:39,196 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-15 19:55:39,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-15 19:55:39,197 INFO L732 BasicCegarLoop]: Path program histogram: [5] [2022-03-15 19:55:39,198 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 19:55:39,198 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 19:55:39,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 07:55:39 BasicIcfg [2022-03-15 19:55:39,204 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 19:55:39,204 INFO L158 Benchmark]: Toolchain (without parser) took 381947.03ms. Allocated memory was 211.8MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 162.0MB in the beginning and 391.4MB in the end (delta: -229.4MB). Peak memory consumption was 870.2MB. Max. memory is 8.0GB. [2022-03-15 19:55:39,204 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 211.8MB. Free memory is still 178.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 19:55:39,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.80ms. Allocated memory is still 211.8MB. Free memory was 161.9MB in the beginning and 188.0MB in the end (delta: -26.1MB). Peak memory consumption was 6.2MB. Max. memory is 8.0GB. [2022-03-15 19:55:39,204 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.21ms. Allocated memory is still 211.8MB. Free memory was 187.5MB in the beginning and 185.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 19:55:39,205 INFO L158 Benchmark]: Boogie Preprocessor took 26.99ms. Allocated memory is still 211.8MB. Free memory was 185.4MB in the beginning and 183.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 19:55:39,205 INFO L158 Benchmark]: RCFGBuilder took 437.88ms. Allocated memory is still 211.8MB. Free memory was 183.8MB in the beginning and 166.0MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-03-15 19:55:39,205 INFO L158 Benchmark]: TraceAbstraction took 381160.20ms. Allocated memory was 211.8MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 165.4MB in the beginning and 391.4MB in the end (delta: -226.0MB). Peak memory consumption was 873.4MB. Max. memory is 8.0GB. [2022-03-15 19:55:39,206 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 211.8MB. Free memory is still 178.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 271.80ms. Allocated memory is still 211.8MB. Free memory was 161.9MB in the beginning and 188.0MB in the end (delta: -26.1MB). Peak memory consumption was 6.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.21ms. Allocated memory is still 211.8MB. Free memory was 187.5MB in the beginning and 185.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.99ms. Allocated memory is still 211.8MB. Free memory was 185.4MB in the beginning and 183.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 437.88ms. Allocated memory is still 211.8MB. Free memory was 183.8MB in the beginning and 166.0MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 381160.20ms. Allocated memory was 211.8MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 165.4MB in the beginning and 391.4MB in the end (delta: -226.0MB). Peak memory consumption was 873.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.3s, 149 PlacesBefore, 59 PlacesAfterwards, 138 TransitionsBefore, 46 TransitionsAfterwards, 1824 CoEnabledTransitionPairs, 7 FixpointIterations, 70 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 101 TotalNumberOfCompositions, 11443 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7095, positive: 6750, positive conditional: 0, positive unconditional: 6750, negative: 345, negative conditional: 0, negative unconditional: 345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1045, positive: 1020, positive conditional: 0, positive unconditional: 1020, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7095, positive: 5730, positive conditional: 0, positive unconditional: 5730, negative: 320, negative conditional: 0, negative unconditional: 320, unknown: 1045, unknown conditional: 0, unknown unconditional: 1045] , Statistics on independence cache: Total cache size (in pairs): 369, Positive cache size: 353, Positive conditional cache size: 0, Positive unconditional cache size: 353, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 153]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 177 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 381.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.2s, AutomataDifference: 218.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.8s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4300 SdHoareTripleChecker+Valid, 124.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4300 mSDsluCounter, 32399 SdHoareTripleChecker+Invalid, 109.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 126976 mSDsCounter, 1145 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 179037 IncrementalHoareTripleChecker+Invalid, 180182 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1145 mSolverCounterUnsat, 595 mSDtfsCounter, 179037 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8252 GetRequests, 7715 SyntacticMatches, 48 SemanticMatches, 489 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53874 ImplicationChecksByTransitivity, 114.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6402occurred in iteration=0, InterpolantAutomatonStates: 336, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 4680 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 205 NumberOfCodeBlocks, 205 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 200 ConstructedInterpolants, 0 QuantifiedInterpolants, 1847 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-15 19:55:39,233 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...