./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91 --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 b1fa78b32466948213cdbfc05d3adcde2ac2fc14323ec3ac2f4b441976452676 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:57:45,241 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:57:45,366 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-24 23:57:45,373 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:57:45,373 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:57:45,412 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:57:45,412 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:57:45,413 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:57:45,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:57:45,418 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:57:45,419 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:57:45,420 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:57:45,420 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:57:45,422 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:57:45,422 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:57:45,423 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:57:45,423 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:57:45,424 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:57:45,424 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:57:45,424 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:57:45,427 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:57:45,439 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:57:45,440 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:57:45,440 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:57:45,440 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:57:45,441 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:57:45,441 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:57:45,442 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:57:45,442 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:57:45,443 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:57:45,443 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:57:45,443 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:57:45,444 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:57:45,444 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:57:45,444 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:57:45,445 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:57:45,445 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:57:45,445 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:57:45,445 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:57:45,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:45,446 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:57:45,446 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:57:45,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:57:45,447 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:57:45,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:57:45,447 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:57:45,448 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:57:45,448 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:57:45,448 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:57:45,448 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_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1fa78b32466948213cdbfc05d3adcde2ac2fc14323ec3ac2f4b441976452676 [2023-11-24 23:57:45,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:57:45,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:57:45,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:57:45,790 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:57:45,791 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:57:45,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.c [2023-11-24 23:57:48,799 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:57:49,140 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:57:49,140 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.c [2023-11-24 23:57:49,161 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/data/56b504c3b/7f8cac838d9d44499f5b712bf162ae24/FLAGc9fc139fd [2023-11-24 23:57:49,175 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/data/56b504c3b/7f8cac838d9d44499f5b712bf162ae24 [2023-11-24 23:57:49,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:57:49,180 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:57:49,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:49,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:57:49,188 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:57:49,189 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:49" (1/1) ... [2023-11-24 23:57:49,190 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a185375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:49, skipping insertion in model container [2023-11-24 23:57:49,190 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:49" (1/1) ... [2023-11-24 23:57:49,258 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:57:49,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:49,519 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:57:49,588 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:49,607 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:57:49,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:49 WrapperNode [2023-11-24 23:57:49,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:49,609 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:49,609 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:57:49,610 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:57:49,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:49" (1/1) ... [2023-11-24 23:57:49,632 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:49" (1/1) ... [2023-11-24 23:57:49,686 INFO L138 Inliner]: procedures = 32, calls = 48, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 509 [2023-11-24 23:57:49,687 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:49,687 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:57:49,687 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:57:49,688 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:57:49,702 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:49" (1/1) ... [2023-11-24 23:57:49,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:49" (1/1) ... [2023-11-24 23:57:49,709 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:49" (1/1) ... [2023-11-24 23:57:49,709 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:49" (1/1) ... [2023-11-24 23:57:49,734 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:49" (1/1) ... [2023-11-24 23:57:49,754 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:49" (1/1) ... [2023-11-24 23:57:49,758 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:49" (1/1) ... [2023-11-24 23:57:49,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:49" (1/1) ... [2023-11-24 23:57:49,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:57:49,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:57:49,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:57:49,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:57:49,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:49" (1/1) ... [2023-11-24 23:57:49,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:49,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:57:49,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:57:49,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:57:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2023-11-24 23:57:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2023-11-24 23:57:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:57:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2023-11-24 23:57:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2023-11-24 23:57:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-11-24 23:57:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-11-24 23:57:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:57:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:57:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:57:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2023-11-24 23:57:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2023-11-24 23:57:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:57:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:57:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2023-11-24 23:57:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2023-11-24 23:57:49,982 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:57:49,984 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:57:50,722 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:57:50,951 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:57:50,951 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:57:50,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:50 BoogieIcfgContainer [2023-11-24 23:57:50,955 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:57:50,959 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:57:50,960 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:57:50,964 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:57:50,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:57:49" (1/3) ... [2023-11-24 23:57:50,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52439756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:50, skipping insertion in model container [2023-11-24 23:57:50,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:49" (2/3) ... [2023-11-24 23:57:50,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52439756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:50, skipping insertion in model container [2023-11-24 23:57:50,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:50" (3/3) ... [2023-11-24 23:57:50,970 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.c [2023-11-24 23:57:50,991 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:57:50,992 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-24 23:57:51,066 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:57:51,074 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;@4eb63d52, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:57:51,075 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-24 23:57:51,081 INFO L276 IsEmpty]: Start isEmpty. Operand has 142 states, 104 states have (on average 1.5288461538461537) internal successors, (159), 106 states have internal predecessors, (159), 29 states have call successors, (29), 6 states have call predecessors, (29), 6 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-24 23:57:51,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:57:51,102 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:51,103 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:57:51,104 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:57:51,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:51,110 INFO L85 PathProgramCache]: Analyzing trace with hash 2100069478, now seen corresponding path program 1 times [2023-11-24 23:57:51,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:57:51,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612740701] [2023-11-24 23:57:51,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:51,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:57:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:51,836 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:57:51,837 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:57:51,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612740701] [2023-11-24 23:57:51,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612740701] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:57:51,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:57:51,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:57:51,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340187017] [2023-11-24 23:57:51,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:57:51,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:57:51,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:57:51,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:57:51,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:57:51,883 INFO L87 Difference]: Start difference. First operand has 142 states, 104 states have (on average 1.5288461538461537) internal successors, (159), 106 states have internal predecessors, (159), 29 states have call successors, (29), 6 states have call predecessors, (29), 6 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-24 23:57:52,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:57:52,074 INFO L93 Difference]: Finished difference Result 245 states and 384 transitions. [2023-11-24 23:57:52,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 23:57:52,077 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 55 [2023-11-24 23:57:52,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:57:52,099 INFO L225 Difference]: With dead ends: 245 [2023-11-24 23:57:52,099 INFO L226 Difference]: Without dead ends: 241 [2023-11-24 23:57:52,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:57:52,108 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 99 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:57:52,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 610 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:57:52,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2023-11-24 23:57:52,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2023-11-24 23:57:52,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 180 states have (on average 1.5222222222222221) internal successors, (274), 181 states have internal predecessors, (274), 53 states have call successors, (53), 6 states have call predecessors, (53), 6 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2023-11-24 23:57:52,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 380 transitions. [2023-11-24 23:57:52,236 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 380 transitions. Word has length 55 [2023-11-24 23:57:52,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:57:52,237 INFO L495 AbstractCegarLoop]: Abstraction has 241 states and 380 transitions. [2023-11-24 23:57:52,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-24 23:57:52,238 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 380 transitions. [2023-11-24 23:57:52,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-24 23:57:52,247 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:52,248 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:57:52,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:57:52,248 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:57:52,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:52,251 INFO L85 PathProgramCache]: Analyzing trace with hash 788352440, now seen corresponding path program 1 times [2023-11-24 23:57:52,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:57:52,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947910557] [2023-11-24 23:57:52,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:52,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:57:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:52,957 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-24 23:57:52,957 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:57:52,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947910557] [2023-11-24 23:57:52,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947910557] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:57:52,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767391362] [2023-11-24 23:57:52,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:52,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:57:52,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:57:52,963 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:57:52,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:57:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:53,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:57:53,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:57:53,412 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-24 23:57:53,412 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:57:53,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1767391362] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:57:53,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-24 23:57:53,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-11-24 23:57:53,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79444133] [2023-11-24 23:57:53,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:57:53,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:57:53,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:57:53,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:57:53,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-24 23:57:53,416 INFO L87 Difference]: Start difference. First operand 241 states and 380 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-24 23:57:53,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:57:53,641 INFO L93 Difference]: Finished difference Result 466 states and 730 transitions. [2023-11-24 23:57:53,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 23:57:53,641 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 106 [2023-11-24 23:57:53,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:57:53,644 INFO L225 Difference]: With dead ends: 466 [2023-11-24 23:57:53,644 INFO L226 Difference]: Without dead ends: 250 [2023-11-24 23:57:53,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-24 23:57:53,649 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 304 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:57:53,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 542 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:57:53,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2023-11-24 23:57:53,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2023-11-24 23:57:53,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 186 states have (on average 1.5053763440860215) internal successors, (280), 187 states have internal predecessors, (280), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-24 23:57:53,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 388 transitions. [2023-11-24 23:57:53,707 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 388 transitions. Word has length 106 [2023-11-24 23:57:53,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:57:53,708 INFO L495 AbstractCegarLoop]: Abstraction has 250 states and 388 transitions. [2023-11-24 23:57:53,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-24 23:57:53,709 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 388 transitions. [2023-11-24 23:57:53,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-24 23:57:53,713 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:53,714 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:57:53,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:57:53,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-24 23:57:53,922 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:57:53,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:53,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1375165218, now seen corresponding path program 1 times [2023-11-24 23:57:53,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:57:53,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995227261] [2023-11-24 23:57:53,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:53,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:57:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:54,195 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-24 23:57:54,196 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:57:54,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995227261] [2023-11-24 23:57:54,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995227261] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:57:54,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881935828] [2023-11-24 23:57:54,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:54,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:57:54,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:57:54,210 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:57:54,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-24 23:57:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:54,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:57:54,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:57:54,540 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-24 23:57:54,540 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:57:54,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881935828] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:57:54,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-24 23:57:54,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2023-11-24 23:57:54,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464193209] [2023-11-24 23:57:54,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:57:54,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:57:54,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:57:54,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:57:54,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-24 23:57:54,547 INFO L87 Difference]: Start difference. First operand 250 states and 388 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-24 23:57:54,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:57:54,739 INFO L93 Difference]: Finished difference Result 465 states and 726 transitions. [2023-11-24 23:57:54,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 23:57:54,739 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 107 [2023-11-24 23:57:54,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:57:54,743 INFO L225 Difference]: With dead ends: 465 [2023-11-24 23:57:54,743 INFO L226 Difference]: Without dead ends: 251 [2023-11-24 23:57:54,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-11-24 23:57:54,746 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 300 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:57:54,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 545 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:57:54,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2023-11-24 23:57:54,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 250. [2023-11-24 23:57:54,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 186 states have (on average 1.5) internal successors, (279), 187 states have internal predecessors, (279), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-24 23:57:54,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 387 transitions. [2023-11-24 23:57:54,771 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 387 transitions. Word has length 107 [2023-11-24 23:57:54,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:57:54,773 INFO L495 AbstractCegarLoop]: Abstraction has 250 states and 387 transitions. [2023-11-24 23:57:54,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-24 23:57:54,774 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 387 transitions. [2023-11-24 23:57:54,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-24 23:57:54,777 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:54,777 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:57:54,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-24 23:57:54,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:57:54,985 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:57:54,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:54,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1197431357, now seen corresponding path program 1 times [2023-11-24 23:57:54,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:57:54,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237970309] [2023-11-24 23:57:54,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:54,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:57:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:55,364 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-24 23:57:55,364 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:57:55,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237970309] [2023-11-24 23:57:55,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237970309] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:57:55,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807518253] [2023-11-24 23:57:55,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:55,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:57:55,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:57:55,366 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:57:55,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-24 23:57:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:55,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:57:55,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:57:55,694 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-24 23:57:55,694 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:57:55,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [807518253] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:57:55,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-24 23:57:55,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2023-11-24 23:57:55,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879662765] [2023-11-24 23:57:55,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:57:55,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:57:55,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:57:55,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:57:55,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-24 23:57:55,697 INFO L87 Difference]: Start difference. First operand 250 states and 387 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-24 23:57:55,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:57:55,771 INFO L93 Difference]: Finished difference Result 250 states and 387 transitions. [2023-11-24 23:57:55,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 23:57:55,772 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 109 [2023-11-24 23:57:55,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:57:55,775 INFO L225 Difference]: With dead ends: 250 [2023-11-24 23:57:55,775 INFO L226 Difference]: Without dead ends: 249 [2023-11-24 23:57:55,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-24 23:57:55,779 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 102 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:57:55,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 473 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:57:55,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2023-11-24 23:57:55,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2023-11-24 23:57:55,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 186 states have (on average 1.4946236559139785) internal successors, (278), 186 states have internal predecessors, (278), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-24 23:57:55,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 386 transitions. [2023-11-24 23:57:55,813 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 386 transitions. Word has length 109 [2023-11-24 23:57:55,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:57:55,816 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 386 transitions. [2023-11-24 23:57:55,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-24 23:57:55,817 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 386 transitions. [2023-11-24 23:57:55,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-24 23:57:55,821 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:55,822 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:57:55,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-24 23:57:56,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:57:56,028 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:57:56,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:56,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1534334111, now seen corresponding path program 1 times [2023-11-24 23:57:56,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:57:56,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639232440] [2023-11-24 23:57:56,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:56,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:57:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:56,197 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 23:57:56,197 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:57:56,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639232440] [2023-11-24 23:57:56,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639232440] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:57:56,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:57:56,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:57:56,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099631226] [2023-11-24 23:57:56,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:57:56,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:57:56,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:57:56,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:57:56,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:57:56,200 INFO L87 Difference]: Start difference. First operand 249 states and 386 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-24 23:57:56,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:57:56,261 INFO L93 Difference]: Finished difference Result 249 states and 386 transitions. [2023-11-24 23:57:56,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 23:57:56,263 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 110 [2023-11-24 23:57:56,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:57:56,264 INFO L225 Difference]: With dead ends: 249 [2023-11-24 23:57:56,265 INFO L226 Difference]: Without dead ends: 0 [2023-11-24 23:57:56,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:57:56,266 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 98 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:57:56,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 473 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:57:56,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-24 23:57:56,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-24 23:57:56,268 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) [2023-11-24 23:57:56,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-24 23:57:56,268 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2023-11-24 23:57:56,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:57:56,268 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-24 23:57:56,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-24 23:57:56,269 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-24 23:57:56,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:57:56,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-24 23:57:56,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-24 23:57:56,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-24 23:57:56,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-24 23:57:56,745 INFO L902 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: true [2023-11-24 23:57:56,745 INFO L899 garLoopResultBuilder]: For program point L187-1(line 187) no Hoare annotation was computed. [2023-11-24 23:57:56,745 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 189) no Hoare annotation was computed. [2023-11-24 23:57:56,745 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 189) no Hoare annotation was computed. [2023-11-24 23:57:56,746 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 189) no Hoare annotation was computed. [2023-11-24 23:57:56,746 INFO L899 garLoopResultBuilder]: For program point read_manual_selection_historyEXIT(lines 173 191) no Hoare annotation was computed. [2023-11-24 23:57:56,746 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 173 191) the Hoare annotation is: true [2023-11-24 23:57:56,746 INFO L899 garLoopResultBuilder]: For program point read_manual_selection_historyFINAL(lines 173 191) no Hoare annotation was computed. [2023-11-24 23:57:56,746 INFO L899 garLoopResultBuilder]: For program point read_side2_failed_historyEXIT(lines 113 131) no Hoare annotation was computed. [2023-11-24 23:57:56,746 INFO L902 garLoopResultBuilder]: At program point L127(line 127) the Hoare annotation is: true [2023-11-24 23:57:56,746 INFO L899 garLoopResultBuilder]: For program point L127-1(line 127) no Hoare annotation was computed. [2023-11-24 23:57:56,746 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 129) no Hoare annotation was computed. [2023-11-24 23:57:56,746 INFO L899 garLoopResultBuilder]: For program point read_side2_failed_historyFINAL(lines 113 131) no Hoare annotation was computed. [2023-11-24 23:57:56,747 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 129) no Hoare annotation was computed. [2023-11-24 23:57:56,747 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 129) no Hoare annotation was computed. [2023-11-24 23:57:56,747 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 113 131) the Hoare annotation is: true [2023-11-24 23:57:56,747 INFO L899 garLoopResultBuilder]: For program point assertEXIT(lines 608 619) no Hoare annotation was computed. [2023-11-24 23:57:56,747 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 608 619) the Hoare annotation is: true [2023-11-24 23:57:56,747 INFO L902 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: true [2023-11-24 23:57:56,747 INFO L899 garLoopResultBuilder]: For program point L97-1(line 97) no Hoare annotation was computed. [2023-11-24 23:57:56,747 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 99) no Hoare annotation was computed. [2023-11-24 23:57:56,747 INFO L899 garLoopResultBuilder]: For program point read_side1_failed_historyFINAL(lines 83 101) no Hoare annotation was computed. [2023-11-24 23:57:56,748 INFO L899 garLoopResultBuilder]: For program point L91(lines 91 99) no Hoare annotation was computed. [2023-11-24 23:57:56,748 INFO L899 garLoopResultBuilder]: For program point read_side1_failed_historyEXIT(lines 83 101) no Hoare annotation was computed. [2023-11-24 23:57:56,748 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 99) no Hoare annotation was computed. [2023-11-24 23:57:56,748 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 83 101) the Hoare annotation is: true [2023-11-24 23:57:56,748 INFO L895 garLoopResultBuilder]: At program point L382(line 382) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-11-24 23:57:56,748 INFO L899 garLoopResultBuilder]: For program point L382-1(line 382) no Hoare annotation was computed. [2023-11-24 23:57:56,748 INFO L899 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2023-11-24 23:57:56,749 INFO L899 garLoopResultBuilder]: For program point L515(lines 515 532) no Hoare annotation was computed. [2023-11-24 23:57:56,749 INFO L899 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2023-11-24 23:57:56,749 INFO L899 garLoopResultBuilder]: For program point L515-1(lines 515 532) no Hoare annotation was computed. [2023-11-24 23:57:56,749 INFO L899 garLoopResultBuilder]: For program point L499(lines 499 513) no Hoare annotation was computed. [2023-11-24 23:57:56,749 INFO L895 garLoopResultBuilder]: At program point L499-1(lines 499 513) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-11-24 23:57:56,749 INFO L899 garLoopResultBuilder]: For program point L301(lines 290 309) no Hoare annotation was computed. [2023-11-24 23:57:56,749 INFO L895 garLoopResultBuilder]: At program point L516(line 516) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-11-24 23:57:56,749 INFO L899 garLoopResultBuilder]: For program point L483(lines 483 497) no Hoare annotation was computed. [2023-11-24 23:57:56,750 INFO L899 garLoopResultBuilder]: For program point L516-1(line 516) no Hoare annotation was computed. [2023-11-24 23:57:56,750 INFO L895 garLoopResultBuilder]: At program point L483-1(lines 483 497) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-11-24 23:57:56,750 INFO L895 garLoopResultBuilder]: At program point L500(line 500) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-11-24 23:57:56,750 INFO L899 garLoopResultBuilder]: For program point L500-1(line 500) no Hoare annotation was computed. [2023-11-24 23:57:56,750 INFO L899 garLoopResultBuilder]: For program point L467-1(lines 461 477) no Hoare annotation was computed. [2023-11-24 23:57:56,750 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 531) no Hoare annotation was computed. [2023-11-24 23:57:56,750 INFO L895 garLoopResultBuilder]: At program point L484(line 484) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-11-24 23:57:56,750 INFO L895 garLoopResultBuilder]: At program point L451(line 451) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-11-24 23:57:56,751 INFO L899 garLoopResultBuilder]: For program point L484-1(line 484) no Hoare annotation was computed. [2023-11-24 23:57:56,751 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 512) no Hoare annotation was computed. [2023-11-24 23:57:56,751 INFO L899 garLoopResultBuilder]: For program point L468(lines 468 470) no Hoare annotation was computed. [2023-11-24 23:57:56,751 INFO L899 garLoopResultBuilder]: For program point $Ultimate##84(lines 404 412) no Hoare annotation was computed. [2023-11-24 23:57:56,751 INFO L895 garLoopResultBuilder]: At program point L518(line 518) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-11-24 23:57:56,751 INFO L899 garLoopResultBuilder]: For program point L485(lines 485 496) no Hoare annotation was computed. [2023-11-24 23:57:56,751 INFO L899 garLoopResultBuilder]: For program point L518-1(line 518) no Hoare annotation was computed. [2023-11-24 23:57:56,751 INFO L899 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2023-11-24 23:57:56,751 INFO L895 garLoopResultBuilder]: At program point L601(line 601) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-11-24 23:57:56,752 INFO L899 garLoopResultBuilder]: For program point L601-1(line 601) no Hoare annotation was computed. [2023-11-24 23:57:56,752 INFO L895 garLoopResultBuilder]: At program point L502(line 502) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-11-24 23:57:56,752 INFO L899 garLoopResultBuilder]: For program point L502-1(line 502) no Hoare annotation was computed. [2023-11-24 23:57:56,752 INFO L895 garLoopResultBuilder]: At program point L519(line 519) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-11-24 23:57:56,752 INFO L895 garLoopResultBuilder]: At program point L486(line 486) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-11-24 23:57:56,752 INFO L899 garLoopResultBuilder]: For program point L519-1(line 519) no Hoare annotation was computed. [2023-11-24 23:57:56,752 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 481) no Hoare annotation was computed. [2023-11-24 23:57:56,753 INFO L899 garLoopResultBuilder]: For program point L486-1(line 486) no Hoare annotation was computed. [2023-11-24 23:57:56,753 INFO L895 garLoopResultBuilder]: At program point L453-1(lines 453 481) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-11-24 23:57:56,753 INFO L899 garLoopResultBuilder]: For program point $Ultimate##60(lines 354 366) no Hoare annotation was computed. [2023-11-24 23:57:56,753 INFO L899 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2023-11-24 23:57:56,753 INFO L899 garLoopResultBuilder]: For program point L602-1(line 602) no Hoare annotation was computed. [2023-11-24 23:57:56,753 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 505) no Hoare annotation was computed. [2023-11-24 23:57:56,753 INFO L899 garLoopResultBuilder]: For program point L404(lines 390 412) no Hoare annotation was computed. [2023-11-24 23:57:56,753 INFO L899 garLoopResultBuilder]: For program point L520(lines 520 530) no Hoare annotation was computed. [2023-11-24 23:57:56,753 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 489) no Hoare annotation was computed. [2023-11-24 23:57:56,754 INFO L895 garLoopResultBuilder]: At program point L454(line 454) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-11-24 23:57:56,754 INFO L899 garLoopResultBuilder]: For program point L454-1(line 454) no Hoare annotation was computed. [2023-11-24 23:57:56,754 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 359) no Hoare annotation was computed. [2023-11-24 23:57:56,754 INFO L899 garLoopResultBuilder]: For program point $Ultimate##66(lines 362 366) no Hoare annotation was computed. [2023-11-24 23:57:56,754 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-24 23:57:56,754 INFO L895 garLoopResultBuilder]: At program point L521(line 521) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-11-24 23:57:56,754 INFO L899 garLoopResultBuilder]: For program point L521-1(line 521) no Hoare annotation was computed. [2023-11-24 23:57:56,754 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 480) no Hoare annotation was computed. [2023-11-24 23:57:56,754 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 309) no Hoare annotation was computed. [2023-11-24 23:57:56,754 INFO L895 garLoopResultBuilder]: At program point L522(line 522) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-11-24 23:57:56,755 INFO L899 garLoopResultBuilder]: For program point $Ultimate##43(lines 301 309) no Hoare annotation was computed. [2023-11-24 23:57:56,755 INFO L899 garLoopResultBuilder]: For program point L522-1(line 522) no Hoare annotation was computed. [2023-11-24 23:57:56,755 INFO L895 garLoopResultBuilder]: At program point L456(line 456) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-11-24 23:57:56,755 INFO L899 garLoopResultBuilder]: For program point L456-1(line 456) no Hoare annotation was computed. [2023-11-24 23:57:56,755 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 412) no Hoare annotation was computed. [2023-11-24 23:57:56,755 INFO L895 garLoopResultBuilder]: At program point L506(line 506) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-11-24 23:57:56,755 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 475) no Hoare annotation was computed. [2023-11-24 23:57:56,755 INFO L899 garLoopResultBuilder]: For program point L506-1(line 506) no Hoare annotation was computed. [2023-11-24 23:57:56,755 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 529) no Hoare annotation was computed. [2023-11-24 23:57:56,756 INFO L895 garLoopResultBuilder]: At program point L490(line 490) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-11-24 23:57:56,756 INFO L899 garLoopResultBuilder]: For program point L457(lines 457 479) no Hoare annotation was computed. [2023-11-24 23:57:56,756 INFO L899 garLoopResultBuilder]: For program point L490-1(line 490) no Hoare annotation was computed. [2023-11-24 23:57:56,758 INFO L899 garLoopResultBuilder]: For program point Side2_activestandby_task_each_pals_period_returnLabel#1(lines 317 373) no Hoare annotation was computed. [2023-11-24 23:57:56,758 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 602) no Hoare annotation was computed. [2023-11-24 23:57:56,758 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 511) no Hoare annotation was computed. [2023-11-24 23:57:56,758 INFO L895 garLoopResultBuilder]: At program point L524(line 524) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-11-24 23:57:56,759 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 495) no Hoare annotation was computed. [2023-11-24 23:57:56,759 INFO L899 garLoopResultBuilder]: For program point L524-1(line 524) no Hoare annotation was computed. [2023-11-24 23:57:56,759 INFO L895 garLoopResultBuilder]: At program point L458(line 458) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-11-24 23:57:56,759 INFO L899 garLoopResultBuilder]: For program point L458-1(line 458) no Hoare annotation was computed. [2023-11-24 23:57:56,759 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 309) no Hoare annotation was computed. [2023-11-24 23:57:56,760 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 602) no Hoare annotation was computed. [2023-11-24 23:57:56,760 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 510) no Hoare annotation was computed. [2023-11-24 23:57:56,760 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 366) no Hoare annotation was computed. [2023-11-24 23:57:56,760 INFO L899 garLoopResultBuilder]: For program point L277(lines 277 283) no Hoare annotation was computed. [2023-11-24 23:57:56,760 INFO L895 garLoopResultBuilder]: At program point L525(line 525) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-11-24 23:57:56,760 INFO L899 garLoopResultBuilder]: For program point L492(lines 492 494) no Hoare annotation was computed. [2023-11-24 23:57:56,761 INFO L899 garLoopResultBuilder]: For program point L525-1(line 525) no Hoare annotation was computed. [2023-11-24 23:57:56,761 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 478) no Hoare annotation was computed. [2023-11-24 23:57:56,761 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-24 23:57:56,761 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 412) no Hoare annotation was computed. [2023-11-24 23:57:56,761 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 298) no Hoare annotation was computed. [2023-11-24 23:57:56,761 INFO L899 garLoopResultBuilder]: For program point L526(lines 526 528) no Hoare annotation was computed. [2023-11-24 23:57:56,762 INFO L895 garLoopResultBuilder]: At program point L460(line 460) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-11-24 23:57:56,762 INFO L899 garLoopResultBuilder]: For program point L460-1(line 460) no Hoare annotation was computed. [2023-11-24 23:57:56,762 INFO L895 garLoopResultBuilder]: At program point L560(line 560) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-11-24 23:57:56,762 INFO L899 garLoopResultBuilder]: For program point L560-1(line 560) no Hoare annotation was computed. [2023-11-24 23:57:56,762 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 477) no Hoare annotation was computed. [2023-11-24 23:57:56,762 INFO L899 garLoopResultBuilder]: For program point L362-1(lines 343 366) no Hoare annotation was computed. [2023-11-24 23:57:56,763 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 366) no Hoare annotation was computed. [2023-11-24 23:57:56,763 INFO L899 garLoopResultBuilder]: For program point L462(lines 462 466) no Hoare annotation was computed. [2023-11-24 23:57:56,763 INFO L899 garLoopResultBuilder]: For program point L396(lines 396 412) no Hoare annotation was computed. [2023-11-24 23:57:56,763 INFO L899 garLoopResultBuilder]: For program point L462-2(lines 461 477) no Hoare annotation was computed. [2023-11-24 23:57:56,763 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 336) no Hoare annotation was computed. [2023-11-24 23:57:56,763 INFO L895 garLoopResultBuilder]: At program point L578-2(lines 578 604) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= (+ ~nomsg~0 1) 0)) [2023-11-24 23:57:56,764 INFO L895 garLoopResultBuilder]: At program point L446-2(lines 443 450) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-11-24 23:57:56,764 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 351) no Hoare annotation was computed. [2023-11-24 23:57:56,764 INFO L899 garLoopResultBuilder]: For program point L463(lines 463 465) no Hoare annotation was computed. [2023-11-24 23:57:56,764 INFO L899 garLoopResultBuilder]: For program point check_returnLabel#1(lines 417 535) no Hoare annotation was computed. [2023-11-24 23:57:56,764 INFO L899 garLoopResultBuilder]: For program point L397(lines 397 401) no Hoare annotation was computed. [2023-11-24 23:57:56,764 INFO L899 garLoopResultBuilder]: For program point Side1_activestandby_task_each_pals_period_returnLabel#1(lines 264 316) no Hoare annotation was computed. [2023-11-24 23:57:56,764 INFO L899 garLoopResultBuilder]: For program point L514(line 514) no Hoare annotation was computed. [2023-11-24 23:57:56,765 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 57 59) the Hoare annotation is: true [2023-11-24 23:57:56,765 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 57 59) no Hoare annotation was computed. [2023-11-24 23:57:56,765 INFO L902 garLoopResultBuilder]: At program point L157(line 157) the Hoare annotation is: true [2023-11-24 23:57:56,765 INFO L899 garLoopResultBuilder]: For program point L157-1(line 157) no Hoare annotation was computed. [2023-11-24 23:57:56,765 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 159) no Hoare annotation was computed. [2023-11-24 23:57:56,765 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 159) no Hoare annotation was computed. [2023-11-24 23:57:56,765 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 159) no Hoare annotation was computed. [2023-11-24 23:57:56,766 INFO L899 garLoopResultBuilder]: For program point read_active_side_historyEXIT(lines 143 161) no Hoare annotation was computed. [2023-11-24 23:57:56,766 INFO L899 garLoopResultBuilder]: For program point read_active_side_historyFINAL(lines 143 161) no Hoare annotation was computed. [2023-11-24 23:57:56,766 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 143 161) the Hoare annotation is: true [2023-11-24 23:57:56,769 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-24 23:57:56,772 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:57:56,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:57:56 BoogieIcfgContainer [2023-11-24 23:57:56,788 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:57:56,789 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:57:56,789 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:57:56,789 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:57:56,790 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:50" (3/4) ... [2023-11-24 23:57:56,792 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:57:56,796 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_manual_selection_history [2023-11-24 23:57:56,796 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side2_failed_history [2023-11-24 23:57:56,796 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert [2023-11-24 23:57:56,796 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side1_failed_history [2023-11-24 23:57:56,797 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-24 23:57:56,797 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_active_side_history [2023-11-24 23:57:56,822 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2023-11-24 23:57:56,824 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-24 23:57:56,825 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 23:57:56,827 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:57:57,025 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/witness.graphml [2023-11-24 23:57:57,025 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/witness.yml [2023-11-24 23:57:57,026 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:57:57,026 INFO L158 Benchmark]: Toolchain (without parser) took 7846.68ms. Allocated memory was 172.0MB in the beginning and 216.0MB in the end (delta: 44.0MB). Free memory was 141.2MB in the beginning and 117.7MB in the end (delta: 23.5MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2023-11-24 23:57:57,026 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 130.0MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:57:57,027 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.21ms. Allocated memory is still 172.0MB. Free memory was 141.0MB in the beginning and 128.6MB in the end (delta: 12.5MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2023-11-24 23:57:57,027 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.47ms. Allocated memory is still 172.0MB. Free memory was 128.6MB in the beginning and 124.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:57:57,028 INFO L158 Benchmark]: Boogie Preprocessor took 79.85ms. Allocated memory is still 172.0MB. Free memory was 124.4MB in the beginning and 121.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:57:57,028 INFO L158 Benchmark]: RCFGBuilder took 1187.09ms. Allocated memory is still 172.0MB. Free memory was 121.5MB in the beginning and 87.0MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-24 23:57:57,028 INFO L158 Benchmark]: TraceAbstraction took 5828.99ms. Allocated memory was 172.0MB in the beginning and 216.0MB in the end (delta: 44.0MB). Free memory was 86.2MB in the beginning and 129.3MB in the end (delta: -43.0MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2023-11-24 23:57:57,029 INFO L158 Benchmark]: Witness Printer took 236.72ms. Allocated memory is still 216.0MB. Free memory was 129.3MB in the beginning and 117.7MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:57:57,032 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 130.0MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 427.21ms. Allocated memory is still 172.0MB. Free memory was 141.0MB in the beginning and 128.6MB in the end (delta: 12.5MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.47ms. Allocated memory is still 172.0MB. Free memory was 128.6MB in the beginning and 124.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.85ms. Allocated memory is still 172.0MB. Free memory was 124.4MB in the beginning and 121.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1187.09ms. Allocated memory is still 172.0MB. Free memory was 121.5MB in the beginning and 87.0MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5828.99ms. Allocated memory was 172.0MB in the beginning and 216.0MB in the end (delta: 44.0MB). Free memory was 86.2MB in the beginning and 129.3MB in the end (delta: -43.0MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. * Witness Printer took 236.72ms. Allocated memory is still 216.0MB. Free memory was 129.3MB in the beginning and 117.7MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 142 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 5.7s, OverallIterations: 5, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 956 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 903 mSDsluCounter, 2643 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1668 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 276 IncrementalHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 975 mSDtfsCounter, 276 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 352 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=250occurred in iteration=2, 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: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 312 PreInvPairs, 362 NumberOfFragments, 371 HoareAnnotationTreeSize, 312 FomulaSimplifications, 200 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 36 FomulaSimplificationsInter, 469 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 809 NumberOfCodeBlocks, 809 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 801 ConstructedInterpolants, 0 QuantifiedInterpolants, 1413 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1726 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 441/497 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 2 specifications checked. All of them hold - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: ((0 <= (i2 + 2147483648)) && ((nomsg + 1) <= 0)) RESULT: Ultimate proved your program to be correct! [2023-11-24 23:57:57,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694edec1-d99b-4e50-8eef-a404aacf33b7/bin/utaipan-verify-SwPr7d2a91/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