./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix045_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224953cc-fdf3-4655-bf90-f551e71ea84b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224953cc-fdf3-4655-bf90-f551e71ea84b/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224953cc-fdf3-4655-bf90-f551e71ea84b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224953cc-fdf3-4655-bf90-f551e71ea84b/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix045_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224953cc-fdf3-4655-bf90-f551e71ea84b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224953cc-fdf3-4655-bf90-f551e71ea84b/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3e08637578a960e5117d483812e56de1a390e4c3bc66da607109cc6e10390727 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:01:03,555 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:01:03,677 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224953cc-fdf3-4655-bf90-f551e71ea84b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-19 08:01:03,683 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:01:03,686 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:01:03,719 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:01:03,721 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:01:03,722 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:01:03,723 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:01:03,728 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:01:03,730 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:01:03,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:01:03,731 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:01:03,733 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:01:03,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:01:03,734 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:01:03,734 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:01:03,735 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:01:03,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:01:03,736 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:01:03,737 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:01:03,737 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:01:03,738 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 08:01:03,738 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:01:03,739 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:01:03,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:01:03,739 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:01:03,740 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:01:03,741 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:01:03,741 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:01:03,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:01:03,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:01:03,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:01:03,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:01:03,744 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:01:03,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:01:03,744 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:01:03,745 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:01:03,745 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:01:03,745 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:01:03,745 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:01:03,746 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224953cc-fdf3-4655-bf90-f551e71ea84b/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224953cc-fdf3-4655-bf90-f551e71ea84b/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e08637578a960e5117d483812e56de1a390e4c3bc66da607109cc6e10390727 [2023-11-19 08:01:04,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:01:04,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:01:04,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:01:04,117 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:01:04,118 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:01:04,119 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224953cc-fdf3-4655-bf90-f551e71ea84b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread-wmm/mix045_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2023-11-19 08:01:07,178 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:01:07,583 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:01:07,584 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224953cc-fdf3-4655-bf90-f551e71ea84b/sv-benchmarks/c/pthread-wmm/mix045_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2023-11-19 08:01:07,601 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224953cc-fdf3-4655-bf90-f551e71ea84b/bin/uautomizer-verify-uCwYo4JHxu/data/6422e643f/d200f70528724861b1af9f0d156b74d7/FLAG019cbd107 [2023-11-19 08:01:07,617 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224953cc-fdf3-4655-bf90-f551e71ea84b/bin/uautomizer-verify-uCwYo4JHxu/data/6422e643f/d200f70528724861b1af9f0d156b74d7 [2023-11-19 08:01:07,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:01:07,622 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:01:07,623 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:07,624 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:01:07,630 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:01:07,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:07" (1/1) ... [2023-11-19 08:01:07,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8e23e20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:07, skipping insertion in model container [2023-11-19 08:01:07,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:07" (1/1) ... [2023-11-19 08:01:07,711 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:01:08,144 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:01:08,159 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:01:08,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:01:08,262 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:01:08,263 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:01:08,272 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:01:08,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:08 WrapperNode [2023-11-19 08:01:08,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:08,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:01:08,275 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:01:08,275 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:01:08,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:08" (1/1) ... [2023-11-19 08:01:08,321 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:08" (1/1) ... [2023-11-19 08:01:08,388 INFO L138 Inliner]: procedures = 176, calls = 59, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 159 [2023-11-19 08:01:08,388 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:01:08,389 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:01:08,389 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:01:08,389 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:01:08,404 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:08" (1/1) ... [2023-11-19 08:01:08,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:08" (1/1) ... [2023-11-19 08:01:08,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:08" (1/1) ... [2023-11-19 08:01:08,423 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:08" (1/1) ... [2023-11-19 08:01:08,433 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:08" (1/1) ... [2023-11-19 08:01:08,451 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:08" (1/1) ... [2023-11-19 08:01:08,473 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:08" (1/1) ... [2023-11-19 08:01:08,476 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:08" (1/1) ... [2023-11-19 08:01:08,480 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:01:08,481 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:01:08,481 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:01:08,481 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:01:08,482 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:08" (1/1) ... [2023-11-19 08:01:08,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:01:08,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224953cc-fdf3-4655-bf90-f551e71ea84b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:08,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224953cc-fdf3-4655-bf90-f551e71ea84b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:01:08,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224953cc-fdf3-4655-bf90-f551e71ea84b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:01:08,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:01:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 08:01:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:01:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:01:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:01:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 08:01:08,585 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 08:01:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 08:01:08,585 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 08:01:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 08:01:08,586 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 08:01:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:01:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 08:01:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:01:08,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:01:08,591 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 08:01:08,776 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:01:08,779 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:01:09,092 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:01:09,366 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:01:09,367 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 08:01:09,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:09 BoogieIcfgContainer [2023-11-19 08:01:09,373 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:01:09,394 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:01:09,394 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:01:09,398 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:01:09,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:01:07" (1/3) ... [2023-11-19 08:01:09,399 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6936334c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:09, skipping insertion in model container [2023-11-19 08:01:09,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:08" (2/3) ... [2023-11-19 08:01:09,402 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6936334c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:09, skipping insertion in model container [2023-11-19 08:01:09,402 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:09" (3/3) ... [2023-11-19 08:01:09,404 INFO L112 eAbstractionObserver]: Analyzing ICFG mix045_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2023-11-19 08:01:09,418 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 08:01:09,430 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:01:09,431 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-19 08:01:09,431 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 08:01:09,512 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 08:01:09,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 130 places, 123 transitions, 258 flow [2023-11-19 08:01:09,670 INFO L124 PetriNetUnfolderBase]: 3/120 cut-off events. [2023-11-19 08:01:09,670 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 08:01:09,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 120 events. 3/120 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 92 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 84. Up to 2 conditions per place. [2023-11-19 08:01:09,677 INFO L82 GeneralOperation]: Start removeDead. Operand has 130 places, 123 transitions, 258 flow [2023-11-19 08:01:09,682 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 127 places, 120 transitions, 249 flow [2023-11-19 08:01:09,685 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 08:01:09,694 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 120 transitions, 249 flow [2023-11-19 08:01:09,696 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 120 transitions, 249 flow [2023-11-19 08:01:09,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 127 places, 120 transitions, 249 flow [2023-11-19 08:01:09,727 INFO L124 PetriNetUnfolderBase]: 3/120 cut-off events. [2023-11-19 08:01:09,727 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 08:01:09,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 120 events. 3/120 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 91 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 84. Up to 2 conditions per place. [2023-11-19 08:01:09,731 INFO L119 LiptonReduction]: Number of co-enabled transitions 3082 [2023-11-19 08:01:14,670 INFO L134 LiptonReduction]: Checked pairs total: 8280 [2023-11-19 08:01:14,670 INFO L136 LiptonReduction]: Total number of compositions: 104 [2023-11-19 08:01:14,705 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:01:14,712 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1fc0a6b9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:01:14,713 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2023-11-19 08:01:14,719 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 08:01:14,719 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2023-11-19 08:01:14,719 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 08:01:14,719 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:01:14,720 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 08:01:14,721 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-19 08:01:14,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:14,729 INFO L85 PathProgramCache]: Analyzing trace with hash 531241601, now seen corresponding path program 1 times [2023-11-19 08:01:14,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:14,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877674760] [2023-11-19 08:01:14,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:14,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:15,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:15,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:15,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877674760] [2023-11-19 08:01:15,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877674760] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:15,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:15,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-19 08:01:15,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051257230] [2023-11-19 08:01:15,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:15,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:01:15,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:15,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:01:15,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:01:15,173 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 227 [2023-11-19 08:01:15,178 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 27 transitions, 63 flow. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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) [2023-11-19 08:01:15,179 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:01:15,179 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 227 [2023-11-19 08:01:15,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:01:15,680 INFO L124 PetriNetUnfolderBase]: 1101/1726 cut-off events. [2023-11-19 08:01:15,680 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2023-11-19 08:01:15,686 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3483 conditions, 1726 events. 1101/1726 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 8122 event pairs, 369 based on Foata normal form. 0/1424 useless extension candidates. Maximal degree in co-relation 3472. Up to 1241 conditions per place. [2023-11-19 08:01:15,700 INFO L140 encePairwiseOnDemand]: 217/227 looper letters, 38 selfloop transitions, 4 changer transitions 0/44 dead transitions. [2023-11-19 08:01:15,700 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 44 transitions, 187 flow [2023-11-19 08:01:15,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:01:15,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 08:01:15,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 351 transitions. [2023-11-19 08:01:15,717 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5154185022026432 [2023-11-19 08:01:15,718 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 351 transitions. [2023-11-19 08:01:15,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 351 transitions. [2023-11-19 08:01:15,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:01:15,723 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 351 transitions. [2023-11-19 08:01:15,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 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) [2023-11-19 08:01:15,734 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 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) [2023-11-19 08:01:15,735 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 227.0) internal successors, (908), 4 states have internal predecessors, (908), 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) [2023-11-19 08:01:15,737 INFO L175 Difference]: Start difference. First operand has 37 places, 27 transitions, 63 flow. Second operand 3 states and 351 transitions. [2023-11-19 08:01:15,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 44 transitions, 187 flow [2023-11-19 08:01:15,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 44 transitions, 182 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-19 08:01:15,743 INFO L231 Difference]: Finished difference. Result has 37 places, 30 transitions, 96 flow [2023-11-19 08:01:15,746 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=37, PETRI_TRANSITIONS=30} [2023-11-19 08:01:15,749 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 0 predicate places. [2023-11-19 08:01:15,750 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 30 transitions, 96 flow [2023-11-19 08:01:15,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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) [2023-11-19 08:01:15,750 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:01:15,751 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:15,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:01:15,751 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-19 08:01:15,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:15,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1142522219, now seen corresponding path program 1 times [2023-11-19 08:01:15,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:15,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473301826] [2023-11-19 08:01:15,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:15,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:15,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:15,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:15,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473301826] [2023-11-19 08:01:15,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473301826] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:15,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:15,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:01:15,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099135061] [2023-11-19 08:01:15,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:15,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:01:15,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:15,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:01:15,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:01:15,959 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 227 [2023-11-19 08:01:15,960 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 30 transitions, 96 flow. Second operand has 4 states, 4 states have (on average 103.5) internal successors, (414), 4 states have internal predecessors, (414), 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) [2023-11-19 08:01:15,960 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:01:15,960 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 227 [2023-11-19 08:01:15,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:01:16,305 INFO L124 PetriNetUnfolderBase]: 885/1378 cut-off events. [2023-11-19 08:01:16,305 INFO L125 PetriNetUnfolderBase]: For 119/119 co-relation queries the response was YES. [2023-11-19 08:01:16,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3315 conditions, 1378 events. 885/1378 cut-off events. For 119/119 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 6170 event pairs, 321 based on Foata normal form. 0/1244 useless extension candidates. Maximal degree in co-relation 3304. Up to 892 conditions per place. [2023-11-19 08:01:16,319 INFO L140 encePairwiseOnDemand]: 220/227 looper letters, 35 selfloop transitions, 4 changer transitions 0/41 dead transitions. [2023-11-19 08:01:16,319 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 41 transitions, 194 flow [2023-11-19 08:01:16,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:01:16,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-19 08:01:16,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 446 transitions. [2023-11-19 08:01:16,326 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4911894273127753 [2023-11-19 08:01:16,327 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 446 transitions. [2023-11-19 08:01:16,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 446 transitions. [2023-11-19 08:01:16,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:01:16,329 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 446 transitions. [2023-11-19 08:01:16,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 111.5) internal successors, (446), 4 states have internal predecessors, (446), 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) [2023-11-19 08:01:16,339 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 227.0) internal successors, (1135), 5 states have internal predecessors, (1135), 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) [2023-11-19 08:01:16,341 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 227.0) internal successors, (1135), 5 states have internal predecessors, (1135), 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) [2023-11-19 08:01:16,341 INFO L175 Difference]: Start difference. First operand has 37 places, 30 transitions, 96 flow. Second operand 4 states and 446 transitions. [2023-11-19 08:01:16,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 41 transitions, 194 flow [2023-11-19 08:01:16,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 41 transitions, 190 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 08:01:16,347 INFO L231 Difference]: Finished difference. Result has 36 places, 27 transitions, 88 flow [2023-11-19 08:01:16,348 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=88, PETRI_PLACES=36, PETRI_TRANSITIONS=27} [2023-11-19 08:01:16,349 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, -1 predicate places. [2023-11-19 08:01:16,356 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 27 transitions, 88 flow [2023-11-19 08:01:16,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 103.5) internal successors, (414), 4 states have internal predecessors, (414), 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) [2023-11-19 08:01:16,357 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:01:16,357 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:16,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:01:16,358 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-19 08:01:16,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:16,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1142522220, now seen corresponding path program 1 times [2023-11-19 08:01:16,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:16,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385491526] [2023-11-19 08:01:16,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:16,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:16,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:16,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:16,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385491526] [2023-11-19 08:01:16,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385491526] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:16,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:16,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:01:16,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024597925] [2023-11-19 08:01:16,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:16,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:01:16,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:16,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:01:16,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:01:16,515 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 227 [2023-11-19 08:01:16,516 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 27 transitions, 88 flow. Second operand has 4 states, 4 states have (on average 103.5) internal successors, (414), 4 states have internal predecessors, (414), 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) [2023-11-19 08:01:16,516 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:01:16,517 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 227 [2023-11-19 08:01:16,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:01:16,835 INFO L124 PetriNetUnfolderBase]: 720/1117 cut-off events. [2023-11-19 08:01:16,836 INFO L125 PetriNetUnfolderBase]: For 384/384 co-relation queries the response was YES. [2023-11-19 08:01:16,839 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2658 conditions, 1117 events. 720/1117 cut-off events. For 384/384 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 4851 event pairs, 293 based on Foata normal form. 0/1091 useless extension candidates. Maximal degree in co-relation 2646. Up to 462 conditions per place. [2023-11-19 08:01:16,847 INFO L140 encePairwiseOnDemand]: 220/227 looper letters, 44 selfloop transitions, 7 changer transitions 3/56 dead transitions. [2023-11-19 08:01:16,847 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 56 transitions, 266 flow [2023-11-19 08:01:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:01:16,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-19 08:01:16,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 461 transitions. [2023-11-19 08:01:16,850 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5077092511013216 [2023-11-19 08:01:16,850 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 461 transitions. [2023-11-19 08:01:16,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 461 transitions. [2023-11-19 08:01:16,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:01:16,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 461 transitions. [2023-11-19 08:01:16,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 115.25) internal successors, (461), 4 states have internal predecessors, (461), 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) [2023-11-19 08:01:16,855 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 227.0) internal successors, (1135), 5 states have internal predecessors, (1135), 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) [2023-11-19 08:01:16,856 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 227.0) internal successors, (1135), 5 states have internal predecessors, (1135), 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) [2023-11-19 08:01:16,857 INFO L175 Difference]: Start difference. First operand has 36 places, 27 transitions, 88 flow. Second operand 4 states and 461 transitions. [2023-11-19 08:01:16,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 56 transitions, 266 flow [2023-11-19 08:01:16,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 56 transitions, 261 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 08:01:16,860 INFO L231 Difference]: Finished difference. Result has 38 places, 27 transitions, 109 flow [2023-11-19 08:01:16,861 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=109, PETRI_PLACES=38, PETRI_TRANSITIONS=27} [2023-11-19 08:01:16,862 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 1 predicate places. [2023-11-19 08:01:16,862 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 27 transitions, 109 flow [2023-11-19 08:01:16,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 103.5) internal successors, (414), 4 states have internal predecessors, (414), 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) [2023-11-19 08:01:16,863 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:01:16,863 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:16,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 08:01:16,869 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-19 08:01:16,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:16,869 INFO L85 PathProgramCache]: Analyzing trace with hash 734166246, now seen corresponding path program 1 times [2023-11-19 08:01:16,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:16,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637602652] [2023-11-19 08:01:16,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:16,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:16,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:17,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:17,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:17,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637602652] [2023-11-19 08:01:17,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637602652] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:17,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:17,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:01:17,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101146324] [2023-11-19 08:01:17,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:17,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:01:17,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:17,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:01:17,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:01:17,072 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 227 [2023-11-19 08:01:17,073 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 27 transitions, 109 flow. Second operand has 5 states, 5 states have (on average 104.2) internal successors, (521), 5 states have internal predecessors, (521), 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) [2023-11-19 08:01:17,073 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:01:17,073 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 227 [2023-11-19 08:01:17,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:01:17,391 INFO L124 PetriNetUnfolderBase]: 700/1081 cut-off events. [2023-11-19 08:01:17,391 INFO L125 PetriNetUnfolderBase]: For 795/795 co-relation queries the response was YES. [2023-11-19 08:01:17,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2877 conditions, 1081 events. 700/1081 cut-off events. For 795/795 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 4707 event pairs, 293 based on Foata normal form. 12/1079 useless extension candidates. Maximal degree in co-relation 2864. Up to 462 conditions per place. [2023-11-19 08:01:17,397 INFO L140 encePairwiseOnDemand]: 220/227 looper letters, 0 selfloop transitions, 0 changer transitions 50/50 dead transitions. [2023-11-19 08:01:17,397 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 50 transitions, 245 flow [2023-11-19 08:01:17,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:01:17,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-19 08:01:17,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 556 transitions. [2023-11-19 08:01:17,400 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48986784140969164 [2023-11-19 08:01:17,400 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 556 transitions. [2023-11-19 08:01:17,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 556 transitions. [2023-11-19 08:01:17,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:01:17,401 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 556 transitions. [2023-11-19 08:01:17,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 111.2) internal successors, (556), 5 states have internal predecessors, (556), 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) [2023-11-19 08:01:17,406 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 227.0) internal successors, (1362), 6 states have internal predecessors, (1362), 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) [2023-11-19 08:01:17,408 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 227.0) internal successors, (1362), 6 states have internal predecessors, (1362), 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) [2023-11-19 08:01:17,408 INFO L175 Difference]: Start difference. First operand has 38 places, 27 transitions, 109 flow. Second operand 5 states and 556 transitions. [2023-11-19 08:01:17,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 50 transitions, 245 flow [2023-11-19 08:01:17,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 50 transitions, 221 flow, removed 3 selfloop flow, removed 4 redundant places. [2023-11-19 08:01:17,412 INFO L231 Difference]: Finished difference. Result has 35 places, 0 transitions, 0 flow [2023-11-19 08:01:17,412 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=67, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=35, PETRI_TRANSITIONS=0} [2023-11-19 08:01:17,413 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, -2 predicate places. [2023-11-19 08:01:17,413 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 0 transitions, 0 flow [2023-11-19 08:01:17,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 104.2) internal successors, (521), 5 states have internal predecessors, (521), 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) [2023-11-19 08:01:17,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2023-11-19 08:01:17,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2023-11-19 08:01:17,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2023-11-19 08:01:17,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2023-11-19 08:01:17,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2023-11-19 08:01:17,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2023-11-19 08:01:17,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2023-11-19 08:01:17,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2023-11-19 08:01:17,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2023-11-19 08:01:17,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2023-11-19 08:01:17,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2023-11-19 08:01:17,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2023-11-19 08:01:17,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2023-11-19 08:01:17,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2023-11-19 08:01:17,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2023-11-19 08:01:17,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 08:01:17,420 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 08:01:17,433 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 08:01:17,437 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:01:17,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:01:17 BasicIcfg [2023-11-19 08:01:17,442 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:01:17,443 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:01:17,443 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:01:17,443 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:01:17,444 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:09" (3/4) ... [2023-11-19 08:01:17,445 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 08:01:17,449 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-11-19 08:01:17,449 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-11-19 08:01:17,449 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-11-19 08:01:17,456 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2023-11-19 08:01:17,457 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 08:01:17,457 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 08:01:17,457 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 08:01:17,555 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224953cc-fdf3-4655-bf90-f551e71ea84b/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 08:01:17,556 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224953cc-fdf3-4655-bf90-f551e71ea84b/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 08:01:17,556 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:01:17,557 INFO L158 Benchmark]: Toolchain (without parser) took 9935.25ms. Allocated memory was 157.3MB in the beginning and 226.5MB in the end (delta: 69.2MB). Free memory was 123.9MB in the beginning and 139.2MB in the end (delta: -15.3MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. [2023-11-19 08:01:17,557 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 113.2MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:01:17,558 INFO L158 Benchmark]: CACSL2BoogieTranslator took 650.20ms. Allocated memory is still 157.3MB. Free memory was 123.9MB in the beginning and 101.3MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 08:01:17,558 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.97ms. Allocated memory is still 157.3MB. Free memory was 101.3MB in the beginning and 98.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:01:17,559 INFO L158 Benchmark]: Boogie Preprocessor took 90.99ms. Allocated memory is still 157.3MB. Free memory was 97.8MB in the beginning and 96.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:01:17,559 INFO L158 Benchmark]: RCFGBuilder took 892.73ms. Allocated memory is still 157.3MB. Free memory was 96.3MB in the beginning and 58.7MB in the end (delta: 37.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 08:01:17,559 INFO L158 Benchmark]: TraceAbstraction took 8047.97ms. Allocated memory was 157.3MB in the beginning and 226.5MB in the end (delta: 69.2MB). Free memory was 126.4MB in the beginning and 144.4MB in the end (delta: -18.1MB). Peak memory consumption was 113.1MB. Max. memory is 16.1GB. [2023-11-19 08:01:17,560 INFO L158 Benchmark]: Witness Printer took 113.86ms. Allocated memory is still 226.5MB. Free memory was 144.4MB in the beginning and 139.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 08:01:17,562 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 113.2MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 650.20ms. Allocated memory is still 157.3MB. Free memory was 123.9MB in the beginning and 101.3MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.97ms. Allocated memory is still 157.3MB. Free memory was 101.3MB in the beginning and 98.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.99ms. Allocated memory is still 157.3MB. Free memory was 97.8MB in the beginning and 96.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 892.73ms. Allocated memory is still 157.3MB. Free memory was 96.3MB in the beginning and 58.7MB in the end (delta: 37.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 8047.97ms. Allocated memory was 157.3MB in the beginning and 226.5MB in the end (delta: 69.2MB). Free memory was 126.4MB in the beginning and 144.4MB in the end (delta: -18.1MB). Peak memory consumption was 113.1MB. Max. memory is 16.1GB. * Witness Printer took 113.86ms. Allocated memory is still 226.5MB. Free memory was 144.4MB in the beginning and 139.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.0s, 127 PlacesBefore, 37 PlacesAfterwards, 120 TransitionsBefore, 27 TransitionsAfterwards, 3082 CoEnabledTransitionPairs, 6 FixpointIterations, 38 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 3 ChoiceCompositions, 104 TotalNumberOfCompositions, 8280 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3774, independent: 3544, independent conditional: 0, independent unconditional: 3544, dependent: 230, dependent conditional: 0, dependent unconditional: 230, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1671, independent: 1615, independent conditional: 0, independent unconditional: 1615, dependent: 56, dependent conditional: 0, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3774, independent: 1929, independent conditional: 0, independent unconditional: 1929, dependent: 174, dependent conditional: 0, dependent unconditional: 174, unknown: 1671, unknown conditional: 0, unknown unconditional: 1671] , Statistics on independence cache: Total cache size (in pairs): 149, Positive cache size: 127, Positive conditional cache size: 0, Positive unconditional cache size: 127, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 753]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 753]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 808]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 808]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 156 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 115 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 104 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 251 IncrementalHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 2 mSDtfsCounter, 251 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 41 ConstructedInterpolants, 0 QuantifiedInterpolants, 123 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 08:01:17,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224953cc-fdf3-4655-bf90-f551e71ea84b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE