./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix043.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10b7819-b0b2-4345-88f9-de1b7671f28c/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10b7819-b0b2-4345-88f9-de1b7671f28c/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10b7819-b0b2-4345-88f9-de1b7671f28c/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10b7819-b0b2-4345-88f9-de1b7671f28c/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix043.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10b7819-b0b2-4345-88f9-de1b7671f28c/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10b7819-b0b2-4345-88f9-de1b7671f28c/bin/utaipan-verify-t7M7D8N6sZ --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8b566ddb7b309d9ba7ea7e298fcc3be9218751e5387d333007519a12118bc5db --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:01:46,955 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:01:47,065 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10b7819-b0b2-4345-88f9-de1b7671f28c/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-19 05:01:47,071 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:01:47,072 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:01:47,099 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:01:47,099 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:01:47,100 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:01:47,101 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:01:47,101 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:01:47,102 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:01:47,102 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:01:47,103 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:01:47,104 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:01:47,104 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:01:47,105 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:01:47,105 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:01:47,106 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:01:47,106 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:01:47,107 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:01:47,107 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:01:47,113 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:01:47,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:01:47,114 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:01:47,115 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:01:47,116 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:01:47,116 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:01:47,116 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:01:47,117 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:01:47,117 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:01:47,118 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:01:47,118 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 05:01:47,118 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:01:47,119 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:01:47,119 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:01:47,119 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:01:47,120 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:01:47,120 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:01:47,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:01:47,121 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:01:47,121 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:01:47,123 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:01:47,123 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:01:47,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:01:47,124 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:01:47,124 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:01:47,124 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:01:47,124 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_d10b7819-b0b2-4345-88f9-de1b7671f28c/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10b7819-b0b2-4345-88f9-de1b7671f28c/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b566ddb7b309d9ba7ea7e298fcc3be9218751e5387d333007519a12118bc5db [2023-11-19 05:01:47,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:01:47,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:01:47,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:01:47,452 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:01:47,452 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:01:47,453 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10b7819-b0b2-4345-88f9-de1b7671f28c/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/pthread-wmm/mix043.opt.i [2023-11-19 05:01:50,609 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:01:51,061 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:01:51,062 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10b7819-b0b2-4345-88f9-de1b7671f28c/sv-benchmarks/c/pthread-wmm/mix043.opt.i [2023-11-19 05:01:51,083 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10b7819-b0b2-4345-88f9-de1b7671f28c/bin/utaipan-verify-t7M7D8N6sZ/data/c1212c14e/dc14d9407d8946aba373b44b0d585966/FLAGc28649eb5 [2023-11-19 05:01:51,098 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10b7819-b0b2-4345-88f9-de1b7671f28c/bin/utaipan-verify-t7M7D8N6sZ/data/c1212c14e/dc14d9407d8946aba373b44b0d585966 [2023-11-19 05:01:51,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:01:51,102 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:01:51,103 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:01:51,103 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:01:51,109 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:01:51,109 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:01:51" (1/1) ... [2023-11-19 05:01:51,110 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b93fc90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:51, skipping insertion in model container [2023-11-19 05:01:51,111 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:01:51" (1/1) ... [2023-11-19 05:01:51,174 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:01:51,609 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:01:51,621 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:01:51,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:01:51,716 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:01:51,716 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:01:51,724 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:01:51,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:51 WrapperNode [2023-11-19 05:01:51,725 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:01:51,726 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:01:51,726 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:01:51,726 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:01:51,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:51" (1/1) ... [2023-11-19 05:01:51,751 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:51" (1/1) ... [2023-11-19 05:01:51,781 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 176 [2023-11-19 05:01:51,782 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:01:51,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:01:51,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:01:51,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:01:51,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:51" (1/1) ... [2023-11-19 05:01:51,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:51" (1/1) ... [2023-11-19 05:01:51,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:51" (1/1) ... [2023-11-19 05:01:51,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:51" (1/1) ... [2023-11-19 05:01:51,807 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:51" (1/1) ... [2023-11-19 05:01:51,809 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:51" (1/1) ... [2023-11-19 05:01:51,812 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:51" (1/1) ... [2023-11-19 05:01:51,824 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:51" (1/1) ... [2023-11-19 05:01:51,830 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:01:51,842 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:01:51,842 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:01:51,842 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:01:51,843 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:51" (1/1) ... [2023-11-19 05:01:51,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:01:51,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10b7819-b0b2-4345-88f9-de1b7671f28c/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:01:51,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10b7819-b0b2-4345-88f9-de1b7671f28c/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:01:51,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10b7819-b0b2-4345-88f9-de1b7671f28c/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:01:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:01:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 05:01:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:01:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:01:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:01:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 05:01:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 05:01:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 05:01:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 05:01:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 05:01:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 05:01:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-19 05:01:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-19 05:01:51,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:01:51,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 05:01:51,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:01:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:01:51,936 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 05:01:52,111 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:01:52,114 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:01:52,464 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:01:52,728 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:01:52,728 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 05:01:52,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:01:52 BoogieIcfgContainer [2023-11-19 05:01:52,733 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:01:52,737 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:01:52,737 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:01:52,740 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:01:52,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:01:51" (1/3) ... [2023-11-19 05:01:52,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61dc0feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:01:52, skipping insertion in model container [2023-11-19 05:01:52,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:01:51" (2/3) ... [2023-11-19 05:01:52,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61dc0feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:01:52, skipping insertion in model container [2023-11-19 05:01:52,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:01:52" (3/3) ... [2023-11-19 05:01:52,744 INFO L112 eAbstractionObserver]: Analyzing ICFG mix043.opt.i [2023-11-19 05:01:52,753 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 05:01:52,765 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:01:52,765 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-19 05:01:52,766 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 05:01:52,875 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 05:01:52,913 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 05:01:52,928 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 157 places, 147 transitions, 310 flow [2023-11-19 05:01:52,931 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 157 places, 147 transitions, 310 flow [2023-11-19 05:01:52,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 157 places, 147 transitions, 310 flow [2023-11-19 05:01:53,006 INFO L124 PetriNetUnfolderBase]: 3/143 cut-off events. [2023-11-19 05:01:53,007 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 05:01:53,015 INFO L83 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 143 events. 3/143 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 111 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 104. Up to 2 conditions per place. [2023-11-19 05:01:53,020 INFO L119 LiptonReduction]: Number of co-enabled transitions 4800 [2023-11-19 05:02:00,442 INFO L134 LiptonReduction]: Checked pairs total: 14278 [2023-11-19 05:02:00,442 INFO L136 LiptonReduction]: Total number of compositions: 132 [2023-11-19 05:02:00,451 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 50 places, 38 transitions, 92 flow [2023-11-19 05:02:00,915 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 7642 states, 7562 states have (on average 4.348585030415234) internal successors, (32884), 7641 states have internal predecessors, (32884), 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 05:02:00,935 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:02:00,941 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=FINITE_AUTOMATA, 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;@9b7f5be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:02:00,942 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2023-11-19 05:02:00,977 INFO L276 IsEmpty]: Start isEmpty. Operand has 7642 states, 7562 states have (on average 4.348585030415234) internal successors, (32884), 7641 states have internal predecessors, (32884), 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 05:02:00,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 05:02:00,982 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:02:00,983 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-19 05:02:00,984 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-19 05:02:00,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:02:00,989 INFO L85 PathProgramCache]: Analyzing trace with hash 20002300, now seen corresponding path program 1 times [2023-11-19 05:02:01,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:02:01,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820088081] [2023-11-19 05:02:01,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:01,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:02:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:02:01,369 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 05:02:01,370 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:02:01,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820088081] [2023-11-19 05:02:01,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820088081] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:02:01,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:02:01,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-19 05:02:01,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636298941] [2023-11-19 05:02:01,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:02:01,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:02:01,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:02:01,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:02:01,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:02:01,447 INFO L87 Difference]: Start difference. First operand has 7642 states, 7562 states have (on average 4.348585030415234) internal successors, (32884), 7641 states have internal predecessors, (32884), 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 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 05:02:01,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:02:01,780 INFO L93 Difference]: Finished difference Result 3922 states and 13581 transitions. [2023-11-19 05:02:01,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:02:01,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2023-11-19 05:02:01,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:02:01,849 INFO L225 Difference]: With dead ends: 3922 [2023-11-19 05:02:01,849 INFO L226 Difference]: Without dead ends: 3922 [2023-11-19 05:02:01,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:02:01,857 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 15 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:02:01,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 6 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:02:01,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3922 states. [2023-11-19 05:02:02,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3922 to 3922. [2023-11-19 05:02:02,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3922 states, 3858 states have (on average 3.520217729393468) internal successors, (13581), 3921 states have internal predecessors, (13581), 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 05:02:02,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3922 states to 3922 states and 13581 transitions. [2023-11-19 05:02:02,121 INFO L78 Accepts]: Start accepts. Automaton has 3922 states and 13581 transitions. Word has length 4 [2023-11-19 05:02:02,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:02:02,122 INFO L495 AbstractCegarLoop]: Abstraction has 3922 states and 13581 transitions. [2023-11-19 05:02:02,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 05:02:02,122 INFO L276 IsEmpty]: Start isEmpty. Operand 3922 states and 13581 transitions. [2023-11-19 05:02:02,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 05:02:02,123 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:02:02,124 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:02:02,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:02:02,124 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-19 05:02:02,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:02:02,125 INFO L85 PathProgramCache]: Analyzing trace with hash -2035208803, now seen corresponding path program 1 times [2023-11-19 05:02:02,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:02:02,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504552623] [2023-11-19 05:02:02,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:02,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:02:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:02:02,274 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 05:02:02,275 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:02:02,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504552623] [2023-11-19 05:02:02,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504552623] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:02:02,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:02:02,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:02:02,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7811264] [2023-11-19 05:02:02,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:02:02,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:02:02,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:02:02,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:02:02,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:02:02,279 INFO L87 Difference]: Start difference. First operand 3922 states and 13581 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 05:02:02,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:02:02,508 INFO L93 Difference]: Finished difference Result 2398 states and 8199 transitions. [2023-11-19 05:02:02,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:02:02,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2023-11-19 05:02:02,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:02:02,542 INFO L225 Difference]: With dead ends: 2398 [2023-11-19 05:02:02,542 INFO L226 Difference]: Without dead ends: 2398 [2023-11-19 05:02:02,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:02:02,544 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 34 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:02:02,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 12 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:02:02,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2398 states. [2023-11-19 05:02:02,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2398 to 2398. [2023-11-19 05:02:02,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2398 states, 2384 states have (on average 3.439177852348993) internal successors, (8199), 2397 states have internal predecessors, (8199), 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 05:02:02,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2398 states to 2398 states and 8199 transitions. [2023-11-19 05:02:02,693 INFO L78 Accepts]: Start accepts. Automaton has 2398 states and 8199 transitions. Word has length 9 [2023-11-19 05:02:02,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:02:02,694 INFO L495 AbstractCegarLoop]: Abstraction has 2398 states and 8199 transitions. [2023-11-19 05:02:02,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 05:02:02,695 INFO L276 IsEmpty]: Start isEmpty. Operand 2398 states and 8199 transitions. [2023-11-19 05:02:02,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 05:02:02,699 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:02:02,699 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:02:02,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:02:02,703 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-19 05:02:02,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:02:02,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1333034042, now seen corresponding path program 1 times [2023-11-19 05:02:02,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:02:02,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504182573] [2023-11-19 05:02:02,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:02,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:02:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:02:02,838 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 05:02:02,839 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:02:02,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504182573] [2023-11-19 05:02:02,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504182573] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:02:02,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:02:02,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:02:02,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599291656] [2023-11-19 05:02:02,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:02:02,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:02:02,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:02:02,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:02:02,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:02:02,848 INFO L87 Difference]: Start difference. First operand 2398 states and 8199 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 05:02:02,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:02:02,984 INFO L93 Difference]: Finished difference Result 1076 states and 3157 transitions. [2023-11-19 05:02:02,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:02:02,985 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2023-11-19 05:02:02,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:02:02,995 INFO L225 Difference]: With dead ends: 1076 [2023-11-19 05:02:02,995 INFO L226 Difference]: Without dead ends: 1076 [2023-11-19 05:02:02,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:02:03,003 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 36 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:02:03,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 9 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:02:03,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2023-11-19 05:02:03,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 1076. [2023-11-19 05:02:03,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1076 states, 1066 states have (on average 2.9615384615384617) internal successors, (3157), 1075 states have internal predecessors, (3157), 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 05:02:03,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 3157 transitions. [2023-11-19 05:02:03,047 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 3157 transitions. Word has length 10 [2023-11-19 05:02:03,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:02:03,047 INFO L495 AbstractCegarLoop]: Abstraction has 1076 states and 3157 transitions. [2023-11-19 05:02:03,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 05:02:03,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 3157 transitions. [2023-11-19 05:02:03,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 05:02:03,057 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:02:03,058 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:02:03,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 05:02:03,059 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-19 05:02:03,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:02:03,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1295910247, now seen corresponding path program 1 times [2023-11-19 05:02:03,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:02:03,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18438393] [2023-11-19 05:02:03,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:03,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:02:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:02:03,183 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 05:02:03,184 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:02:03,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18438393] [2023-11-19 05:02:03,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18438393] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:02:03,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:02:03,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:02:03,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564933613] [2023-11-19 05:02:03,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:02:03,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:02:03,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:02:03,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:02:03,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:02:03,187 INFO L87 Difference]: Start difference. First operand 1076 states and 3157 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 05:02:03,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:02:03,366 INFO L93 Difference]: Finished difference Result 659 states and 1960 transitions. [2023-11-19 05:02:03,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:02:03,367 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 16 [2023-11-19 05:02:03,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:02:03,373 INFO L225 Difference]: With dead ends: 659 [2023-11-19 05:02:03,373 INFO L226 Difference]: Without dead ends: 659 [2023-11-19 05:02:03,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:02:03,374 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 43 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:02:03,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 12 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 05:02:03,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2023-11-19 05:02:03,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 659. [2023-11-19 05:02:03,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 655 states have (on average 2.9923664122137406) internal successors, (1960), 658 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:02:03,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 1960 transitions. [2023-11-19 05:02:03,399 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 1960 transitions. Word has length 16 [2023-11-19 05:02:03,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:02:03,400 INFO L495 AbstractCegarLoop]: Abstraction has 659 states and 1960 transitions. [2023-11-19 05:02:03,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 05:02:03,400 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 1960 transitions. [2023-11-19 05:02:03,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 05:02:03,403 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:02:03,403 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:02:03,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 05:02:03,404 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-19 05:02:03,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:02:03,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1614562936, now seen corresponding path program 1 times [2023-11-19 05:02:03,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:02:03,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170919134] [2023-11-19 05:02:03,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:03,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:02:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:02:03,548 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 05:02:03,548 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:02:03,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170919134] [2023-11-19 05:02:03,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170919134] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:02:03,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:02:03,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:02:03,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320900341] [2023-11-19 05:02:03,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:02:03,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 05:02:03,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:02:03,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 05:02:03,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 05:02:03,551 INFO L87 Difference]: Start difference. First operand 659 states and 1960 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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 05:02:03,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:02:03,667 INFO L93 Difference]: Finished difference Result 601 states and 1860 transitions. [2023-11-19 05:02:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 05:02:03,668 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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 22 [2023-11-19 05:02:03,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:02:03,668 INFO L225 Difference]: With dead ends: 601 [2023-11-19 05:02:03,668 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 05:02:03,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 05:02:03,670 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 56 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:02:03,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 12 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:02:03,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 05:02:03,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 05:02:03,671 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) [2023-11-19 05:02:03,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 05:02:03,672 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2023-11-19 05:02:03,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:02:03,672 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 05:02:03,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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 05:02:03,672 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 05:02:03,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 05:02:03,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2023-11-19 05:02:03,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2023-11-19 05:02:03,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2023-11-19 05:02:03,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2023-11-19 05:02:03,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2023-11-19 05:02:03,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2023-11-19 05:02:03,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2023-11-19 05:02:03,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2023-11-19 05:02:03,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2023-11-19 05:02:03,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2023-11-19 05:02:03,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2023-11-19 05:02:03,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2023-11-19 05:02:03,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2023-11-19 05:02:03,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2023-11-19 05:02:03,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2023-11-19 05:02:03,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2023-11-19 05:02:03,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2023-11-19 05:02:03,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2023-11-19 05:02:03,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2023-11-19 05:02:03,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2023-11-19 05:02:03,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 05:02:03,682 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-19 05:02:03,687 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 05:02:03,688 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:02:03,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:02:03 BasicIcfg [2023-11-19 05:02:03,691 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:02:03,692 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:02:03,692 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:02:03,692 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:02:03,692 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:01:52" (3/4) ... [2023-11-19 05:02:03,694 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 05:02:03,697 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-11-19 05:02:03,697 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-11-19 05:02:03,697 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-11-19 05:02:03,697 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2023-11-19 05:02:03,703 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2023-11-19 05:02:03,704 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-19 05:02:03,704 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 05:02:03,705 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 05:02:03,812 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10b7819-b0b2-4345-88f9-de1b7671f28c/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 05:02:03,812 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10b7819-b0b2-4345-88f9-de1b7671f28c/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 05:02:03,812 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:02:03,813 INFO L158 Benchmark]: Toolchain (without parser) took 12711.36ms. Allocated memory was 136.3MB in the beginning and 245.4MB in the end (delta: 109.1MB). Free memory was 102.6MB in the beginning and 110.4MB in the end (delta: -7.8MB). Peak memory consumption was 102.7MB. Max. memory is 16.1GB. [2023-11-19 05:02:03,813 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 136.3MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:02:03,814 INFO L158 Benchmark]: CACSL2BoogieTranslator took 622.18ms. Allocated memory is still 136.3MB. Free memory was 102.1MB in the beginning and 78.6MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 05:02:03,814 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.71ms. Allocated memory is still 136.3MB. Free memory was 78.6MB in the beginning and 75.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:02:03,815 INFO L158 Benchmark]: Boogie Preprocessor took 58.86ms. Allocated memory is still 136.3MB. Free memory was 75.9MB in the beginning and 73.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:02:03,815 INFO L158 Benchmark]: RCFGBuilder took 891.50ms. Allocated memory was 136.3MB in the beginning and 199.2MB in the end (delta: 62.9MB). Free memory was 73.9MB in the beginning and 157.5MB in the end (delta: -83.6MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2023-11-19 05:02:03,815 INFO L158 Benchmark]: TraceAbstraction took 10954.32ms. Allocated memory was 199.2MB in the beginning and 245.4MB in the end (delta: 46.1MB). Free memory was 157.5MB in the beginning and 115.7MB in the end (delta: 41.8MB). Peak memory consumption was 87.9MB. Max. memory is 16.1GB. [2023-11-19 05:02:03,816 INFO L158 Benchmark]: Witness Printer took 120.87ms. Allocated memory is still 245.4MB. Free memory was 115.7MB in the beginning and 110.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 05:02:03,821 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 136.3MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 622.18ms. Allocated memory is still 136.3MB. Free memory was 102.1MB in the beginning and 78.6MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.71ms. Allocated memory is still 136.3MB. Free memory was 78.6MB in the beginning and 75.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.86ms. Allocated memory is still 136.3MB. Free memory was 75.9MB in the beginning and 73.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 891.50ms. Allocated memory was 136.3MB in the beginning and 199.2MB in the end (delta: 62.9MB). Free memory was 73.9MB in the beginning and 157.5MB in the end (delta: -83.6MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. * TraceAbstraction took 10954.32ms. Allocated memory was 199.2MB in the beginning and 245.4MB in the end (delta: 46.1MB). Free memory was 157.5MB in the beginning and 115.7MB in the end (delta: 41.8MB). Peak memory consumption was 87.9MB. Max. memory is 16.1GB. * Witness Printer took 120.87ms. Allocated memory is still 245.4MB. Free memory was 115.7MB in the beginning and 110.4MB 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: 7.5s, 157 PlacesBefore, 50 PlacesAfterwards, 147 TransitionsBefore, 38 TransitionsAfterwards, 4800 CoEnabledTransitionPairs, 8 FixpointIterations, 43 TrivialSequentialCompositions, 69 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 18 ConcurrentYvCompositions, 2 ChoiceCompositions, 132 TotalNumberOfCompositions, 14278 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7056, independent: 6720, independent conditional: 0, independent unconditional: 6720, dependent: 336, dependent conditional: 0, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3333, independent: 3267, independent conditional: 0, independent unconditional: 3267, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3333, independent: 3190, independent conditional: 0, independent unconditional: 3190, dependent: 143, dependent conditional: 0, dependent unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 143, independent: 77, independent conditional: 0, independent unconditional: 77, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 636, independent: 192, independent conditional: 0, independent unconditional: 192, dependent: 444, dependent conditional: 0, dependent unconditional: 444, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7056, independent: 3453, independent conditional: 0, independent unconditional: 3453, dependent: 270, dependent conditional: 0, dependent unconditional: 270, unknown: 3333, unknown conditional: 0, unknown unconditional: 3333] , Statistics on independence cache: Total cache size (in pairs): 286, Positive cache size: 257, Positive conditional cache size: 0, Positive unconditional cache size: 257, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - 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: 762]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 762]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 777]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 777]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 797]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 797]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 833]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 833]: 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 9 procedures, 191 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 10.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 184 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 184 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 33 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 358 IncrementalHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 18 mSDtfsCounter, 358 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7642occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 168 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 05:02:03,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d10b7819-b0b2-4345-88f9-de1b7671f28c/bin/utaipan-verify-t7M7D8N6sZ/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