./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 573cbc57cae1350f9d2f59bf5c5a92b8e982a601942d1fa1ee0f6a2a387b8d33 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:52:05,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:52:05,106 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:52:05,112 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:52:05,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:52:05,139 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:52:05,140 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:52:05,141 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:52:05,142 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:52:05,142 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:52:05,143 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:52:05,144 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:52:05,144 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:52:05,145 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:52:05,145 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:52:05,146 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:52:05,146 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:52:05,147 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:52:05,147 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:52:05,148 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:52:05,148 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:52:05,149 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:52:05,149 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:52:05,150 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:52:05,150 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:52:05,151 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:52:05,151 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:52:05,152 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:52:05,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:52:05,152 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:52:05,153 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:52:05,153 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:52:05,154 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:52:05,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:52:05,154 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:52:05,155 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:52:05,155 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:52:05,155 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:52:05,156 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:52:05,156 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 573cbc57cae1350f9d2f59bf5c5a92b8e982a601942d1fa1ee0f6a2a387b8d33 [2023-11-06 22:52:05,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:52:05,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:52:05,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:52:05,536 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:52:05,537 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:52:05,538 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i [2023-11-06 22:52:08,724 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:52:08,958 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:52:08,959 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i [2023-11-06 22:52:08,968 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/data/ce21c7150/53a94225b4b3427fa71f38184e52176a/FLAG2ad5765bc [2023-11-06 22:52:08,990 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/data/ce21c7150/53a94225b4b3427fa71f38184e52176a [2023-11-06 22:52:08,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:52:09,002 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:52:09,004 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:52:09,004 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:52:09,011 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:52:09,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:52:08" (1/1) ... [2023-11-06 22:52:09,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a33631a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:09, skipping insertion in model container [2023-11-06 22:52:09,016 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:52:08" (1/1) ... [2023-11-06 22:52:09,057 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:52:09,261 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i[915,928] [2023-11-06 22:52:09,319 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:52:09,338 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:52:09,353 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i[915,928] [2023-11-06 22:52:09,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:52:09,410 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:52:09,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:09 WrapperNode [2023-11-06 22:52:09,411 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:52:09,412 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:52:09,412 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:52:09,413 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:52:09,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:09" (1/1) ... [2023-11-06 22:52:09,442 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:09" (1/1) ... [2023-11-06 22:52:09,488 INFO L138 Inliner]: procedures = 26, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 86 [2023-11-06 22:52:09,490 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:52:09,491 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:52:09,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:52:09,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:52:09,504 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:09" (1/1) ... [2023-11-06 22:52:09,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:09" (1/1) ... [2023-11-06 22:52:09,513 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:09" (1/1) ... [2023-11-06 22:52:09,514 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:09" (1/1) ... [2023-11-06 22:52:09,528 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:09" (1/1) ... [2023-11-06 22:52:09,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:09" (1/1) ... [2023-11-06 22:52:09,543 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:09" (1/1) ... [2023-11-06 22:52:09,549 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:09" (1/1) ... [2023-11-06 22:52:09,552 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:52:09,554 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:52:09,554 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:52:09,555 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:52:09,556 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:09" (1/1) ... [2023-11-06 22:52:09,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:52:09,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:52:09,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:52:09,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:52:09,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:52:09,639 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:52:09,639 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:52:09,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:52:09,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:52:09,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:52:09,737 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:52:09,739 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:52:10,006 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:52:10,013 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:52:10,013 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:52:10,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:52:10 BoogieIcfgContainer [2023-11-06 22:52:10,016 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:52:10,019 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:52:10,019 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:52:10,023 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:52:10,023 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:52:08" (1/3) ... [2023-11-06 22:52:10,024 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1848493b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:52:10, skipping insertion in model container [2023-11-06 22:52:10,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:09" (2/3) ... [2023-11-06 22:52:10,025 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1848493b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:52:10, skipping insertion in model container [2023-11-06 22:52:10,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:52:10" (3/3) ... [2023-11-06 22:52:10,027 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-99.i [2023-11-06 22:52:10,049 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:52:10,049 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:52:10,107 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:52:10,114 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5726233a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:52:10,115 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:52:10,120 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-06 22:52:10,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-06 22:52:10,151 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:10,153 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:52:10,154 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:10,160 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:10,160 INFO L85 PathProgramCache]: Analyzing trace with hash -679288925, now seen corresponding path program 1 times [2023-11-06 22:52:10,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:10,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171319944] [2023-11-06 22:52:10,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:10,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:10,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:52:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:10,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:52:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:10,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-06 22:52:10,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:10,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 22:52:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:10,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-06 22:52:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:10,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:52:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:10,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 22:52:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:10,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:52:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:10,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:52:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:10,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-06 22:52:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:10,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-06 22:52:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:10,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 22:52:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:10,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 22:52:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:10,593 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-06 22:52:10,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:10,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171319944] [2023-11-06 22:52:10,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171319944] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:10,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:10,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:52:10,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769982493] [2023-11-06 22:52:10,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:10,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:52:10,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:10,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:52:10,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:52:10,637 INFO L87 Difference]: Start difference. First operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-06 22:52:10,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:10,680 INFO L93 Difference]: Finished difference Result 77 states and 123 transitions. [2023-11-06 22:52:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:52:10,684 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) Word has length 84 [2023-11-06 22:52:10,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:10,696 INFO L225 Difference]: With dead ends: 77 [2023-11-06 22:52:10,696 INFO L226 Difference]: Without dead ends: 38 [2023-11-06 22:52:10,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:52:10,710 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:10,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:52:10,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-11-06 22:52:10,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2023-11-06 22:52:10,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 23 states have internal predecessors, (25), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-06 22:52:10,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 51 transitions. [2023-11-06 22:52:10,765 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 51 transitions. Word has length 84 [2023-11-06 22:52:10,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:10,765 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 51 transitions. [2023-11-06 22:52:10,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-06 22:52:10,766 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2023-11-06 22:52:10,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-06 22:52:10,770 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:10,771 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:52:10,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:52:10,771 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:10,772 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:10,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1081124375, now seen corresponding path program 1 times [2023-11-06 22:52:10,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:10,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115319600] [2023-11-06 22:52:10,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:10,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:12,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:52:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:12,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:52:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:12,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-06 22:52:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:12,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 22:52:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:12,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-06 22:52:12,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:12,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:52:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:12,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 22:52:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:12,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:52:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:12,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:52:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:12,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-06 22:52:12,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:12,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-06 22:52:12,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:12,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 22:52:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:12,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 22:52:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:12,428 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-06 22:52:12,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:12,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115319600] [2023-11-06 22:52:12,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115319600] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:12,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:12,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:52:12,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742557044] [2023-11-06 22:52:12,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:12,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:52:12,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:12,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:52:12,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:52:12,436 INFO L87 Difference]: Start difference. First operand 38 states and 51 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-06 22:52:13,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:13,130 INFO L93 Difference]: Finished difference Result 81 states and 106 transitions. [2023-11-06 22:52:13,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:52:13,131 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 84 [2023-11-06 22:52:13,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:13,134 INFO L225 Difference]: With dead ends: 81 [2023-11-06 22:52:13,135 INFO L226 Difference]: Without dead ends: 79 [2023-11-06 22:52:13,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:52:13,137 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 75 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:13,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 245 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:52:13,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-06 22:52:13,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 58. [2023-11-06 22:52:13,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 39 states have internal predecessors, (40), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 22:52:13,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2023-11-06 22:52:13,170 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 84 [2023-11-06 22:52:13,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:13,171 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2023-11-06 22:52:13,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-06 22:52:13,172 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2023-11-06 22:52:13,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-06 22:52:13,174 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:13,175 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:52:13,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:52:13,175 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:13,176 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:13,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1023866073, now seen corresponding path program 1 times [2023-11-06 22:52:13,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:13,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430210254] [2023-11-06 22:52:13,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:13,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:52:13,220 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:52:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:52:13,324 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:52:13,325 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:52:13,326 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:52:13,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:52:13,333 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-06 22:52:13,337 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:52:13,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:52:13 BoogieIcfgContainer [2023-11-06 22:52:13,400 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:52:13,401 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:52:13,401 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:52:13,401 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:52:13,402 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:52:10" (3/4) ... [2023-11-06 22:52:13,404 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:52:13,405 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:52:13,406 INFO L158 Benchmark]: Toolchain (without parser) took 4404.19ms. Allocated memory was 163.6MB in the beginning and 205.5MB in the end (delta: 41.9MB). Free memory was 122.0MB in the beginning and 170.7MB in the end (delta: -48.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:52:13,407 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:52:13,407 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.06ms. Allocated memory is still 163.6MB. Free memory was 121.7MB in the beginning and 110.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:52:13,408 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.37ms. Allocated memory is still 163.6MB. Free memory was 110.2MB in the beginning and 108.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:52:13,408 INFO L158 Benchmark]: Boogie Preprocessor took 62.30ms. Allocated memory is still 163.6MB. Free memory was 108.1MB in the beginning and 106.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:52:13,409 INFO L158 Benchmark]: RCFGBuilder took 462.00ms. Allocated memory is still 163.6MB. Free memory was 106.7MB in the beginning and 93.7MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:52:13,410 INFO L158 Benchmark]: TraceAbstraction took 3381.49ms. Allocated memory was 163.6MB in the beginning and 205.5MB in the end (delta: 41.9MB). Free memory was 93.0MB in the beginning and 171.7MB in the end (delta: -78.7MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2023-11-06 22:52:13,410 INFO L158 Benchmark]: Witness Printer took 4.59ms. Allocated memory is still 205.5MB. Free memory was 171.7MB in the beginning and 170.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:52:13,413 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.06ms. Allocated memory is still 163.6MB. Free memory was 121.7MB in the beginning and 110.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.37ms. Allocated memory is still 163.6MB. Free memory was 110.2MB in the beginning and 108.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.30ms. Allocated memory is still 163.6MB. Free memory was 108.1MB in the beginning and 106.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 462.00ms. Allocated memory is still 163.6MB. Free memory was 106.7MB in the beginning and 93.7MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3381.49ms. Allocated memory was 163.6MB in the beginning and 205.5MB in the end (delta: 41.9MB). Free memory was 93.0MB in the beginning and 171.7MB in the end (delta: -78.7MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. * Witness Printer took 4.59ms. Allocated memory is still 205.5MB. Free memory was 171.7MB in the beginning and 170.7MB in the end (delta: 1.0MB). There was no memory consumed. 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 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 68. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] double var_1_2 = 3.25; [L24] double var_1_3 = 32.75; [L25] double var_1_4 = 128.75; [L26] unsigned char var_1_6 = 32; [L27] unsigned char var_1_7 = 32; [L28] unsigned char var_1_8 = 16; [L29] unsigned char var_1_9 = 0; [L30] unsigned char var_1_10 = 1; [L31] unsigned char var_1_11 = 1; [L32] signed short int var_1_12 = 10; VAL [isInitial=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_2=13/4, var_1_3=131/4, var_1_4=515/4, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L72] isInitial = 1 [L73] FCALL initially() [L74] COND TRUE 1 [L75] FCALL updateLastVariables() [L76] CALL updateVariables() [L43] var_1_2 = __VERIFIER_nondet_double() [L44] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=131/4, var_1_4=515/4, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=131/4, var_1_4=515/4, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L44] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=131/4, var_1_4=515/4, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L45] var_1_3 = __VERIFIER_nondet_double() [L46] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=515/4, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=515/4, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L46] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=515/4, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L47] var_1_4 = __VERIFIER_nondet_double() [L48] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L48] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L49] var_1_6 = __VERIFIER_nondet_uchar() [L50] CALL assume_abort_if_not(var_1_6 >= 31) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=32, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=32, var_1_8=16, var_1_9=0] [L50] RET assume_abort_if_not(var_1_6 >= 31) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=32, var_1_8=16, var_1_9=0] [L51] CALL assume_abort_if_not(var_1_6 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=32, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=32, var_1_8=16, var_1_9=0] [L51] RET assume_abort_if_not(var_1_6 <= 64) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=32, var_1_8=16, var_1_9=0] [L52] var_1_7 = __VERIFIER_nondet_uchar() [L53] CALL assume_abort_if_not(var_1_7 >= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=16, var_1_9=0] [L53] RET assume_abort_if_not(var_1_7 >= 32) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=16, var_1_9=0] [L54] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=16, var_1_9=0] [L54] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=16, var_1_9=0] [L55] var_1_8 = __VERIFIER_nondet_uchar() [L56] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=0] [L56] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=0] [L57] CALL assume_abort_if_not(var_1_8 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=0] [L57] RET assume_abort_if_not(var_1_8 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=0] [L58] var_1_9 = __VERIFIER_nondet_uchar() [L59] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L59] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L60] CALL assume_abort_if_not(var_1_9 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L60] RET assume_abort_if_not(var_1_9 <= 127) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L61] var_1_11 = __VERIFIER_nondet_uchar() [L62] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L62] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L63] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L63] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L76] RET updateVariables() [L77] CALL step() [L36] var_1_10 = var_1_11 VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L37] COND FALSE !((var_1_2 <= (var_1_3 - var_1_4)) && var_1_10) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L40] var_1_12 = var_1_1 VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=1, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L77] RET step() [L78] CALL, EXPR property() [L68-L69] return ((((var_1_2 <= (var_1_3 - var_1_4)) && var_1_10) ? (var_1_1 == ((unsigned char) (((var_1_6 + var_1_7) - var_1_8) + var_1_9))) : 1) && (var_1_10 == ((unsigned char) var_1_11))) && (var_1_12 == ((signed short int) var_1_1)) ; VAL [\result=0, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=1, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L78] RET, EXPR property() [L78] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=1, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=1, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 3, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 77 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 296 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 172 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 173 IncrementalHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 124 mSDtfsCounter, 173 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=2, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 21 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 166 ConstructedInterpolants, 0 QuantifiedInterpolants, 317 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 624/624 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 22:52:13,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 573cbc57cae1350f9d2f59bf5c5a92b8e982a601942d1fa1ee0f6a2a387b8d33 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:52:16,357 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:52:16,480 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:52:16,486 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:52:16,487 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:52:16,513 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:52:16,514 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:52:16,515 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:52:16,515 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:52:16,516 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:52:16,517 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:52:16,518 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:52:16,518 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:52:16,519 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:52:16,520 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:52:16,520 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:52:16,521 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:52:16,521 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:52:16,522 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:52:16,522 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:52:16,522 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:52:16,523 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:52:16,524 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:52:16,524 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:52:16,525 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:52:16,525 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:52:16,525 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:52:16,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:52:16,526 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:52:16,527 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:52:16,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:52:16,528 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:52:16,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:52:16,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:52:16,529 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:52:16,529 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:52:16,529 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:52:16,529 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:52:16,529 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:52:16,530 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:52:16,530 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:52:16,530 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:52:16,530 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 573cbc57cae1350f9d2f59bf5c5a92b8e982a601942d1fa1ee0f6a2a387b8d33 [2023-11-06 22:52:16,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:52:17,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:52:17,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:52:17,009 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:52:17,010 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:52:17,011 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i [2023-11-06 22:52:20,226 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:52:20,518 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:52:20,519 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i [2023-11-06 22:52:20,530 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/data/1327d9561/24edfce0d08141f1aed85caaaa8d3511/FLAG19306531b [2023-11-06 22:52:20,552 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/data/1327d9561/24edfce0d08141f1aed85caaaa8d3511 [2023-11-06 22:52:20,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:52:20,562 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:52:20,565 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:52:20,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:52:20,571 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:52:20,572 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:52:20" (1/1) ... [2023-11-06 22:52:20,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a908c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:20, skipping insertion in model container [2023-11-06 22:52:20,574 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:52:20" (1/1) ... [2023-11-06 22:52:20,614 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:52:20,876 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i[915,928] [2023-11-06 22:52:20,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:52:20,960 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:52:20,981 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i[915,928] [2023-11-06 22:52:21,012 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:52:21,031 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:52:21,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:21 WrapperNode [2023-11-06 22:52:21,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:52:21,033 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:52:21,034 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:52:21,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:52:21,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:21" (1/1) ... [2023-11-06 22:52:21,056 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:21" (1/1) ... [2023-11-06 22:52:21,086 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 86 [2023-11-06 22:52:21,087 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:52:21,088 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:52:21,088 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:52:21,088 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:52:21,101 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:21" (1/1) ... [2023-11-06 22:52:21,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:21" (1/1) ... [2023-11-06 22:52:21,106 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:21" (1/1) ... [2023-11-06 22:52:21,106 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:21" (1/1) ... [2023-11-06 22:52:21,118 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:21" (1/1) ... [2023-11-06 22:52:21,122 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:21" (1/1) ... [2023-11-06 22:52:21,137 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:21" (1/1) ... [2023-11-06 22:52:21,145 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:21" (1/1) ... [2023-11-06 22:52:21,149 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:52:21,160 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:52:21,161 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:52:21,161 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:52:21,162 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:21" (1/1) ... [2023-11-06 22:52:21,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:52:21,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:52:21,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:52:21,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:52:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:52:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:52:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:52:21,266 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:52:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:52:21,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:52:21,410 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:52:21,412 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:52:22,163 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:52:22,170 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:52:22,171 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:52:22,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:52:22 BoogieIcfgContainer [2023-11-06 22:52:22,174 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:52:22,177 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:52:22,177 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:52:22,181 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:52:22,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:52:20" (1/3) ... [2023-11-06 22:52:22,183 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8fee8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:52:22, skipping insertion in model container [2023-11-06 22:52:22,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:21" (2/3) ... [2023-11-06 22:52:22,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8fee8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:52:22, skipping insertion in model container [2023-11-06 22:52:22,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:52:22" (3/3) ... [2023-11-06 22:52:22,186 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-99.i [2023-11-06 22:52:22,209 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:52:22,209 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:52:22,267 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:52:22,275 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5f9c0409, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:52:22,275 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:52:22,280 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-06 22:52:22,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-06 22:52:22,295 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:22,296 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:52:22,297 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:22,304 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:22,304 INFO L85 PathProgramCache]: Analyzing trace with hash -679288925, now seen corresponding path program 1 times [2023-11-06 22:52:22,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:52:22,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [287544166] [2023-11-06 22:52:22,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:22,320 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:52:22,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:52:22,324 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:52:22,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 22:52:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:22,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:52:22,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:52:22,724 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2023-11-06 22:52:22,725 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:52:22,726 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:52:22,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [287544166] [2023-11-06 22:52:22,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [287544166] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:22,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:22,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:52:22,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466692286] [2023-11-06 22:52:22,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:22,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:52:22,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:52:22,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:52:22,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:52:22,777 INFO L87 Difference]: Start difference. First operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-06 22:52:22,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:22,813 INFO L93 Difference]: Finished difference Result 77 states and 123 transitions. [2023-11-06 22:52:22,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:52:22,815 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 84 [2023-11-06 22:52:22,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:22,825 INFO L225 Difference]: With dead ends: 77 [2023-11-06 22:52:22,825 INFO L226 Difference]: Without dead ends: 38 [2023-11-06 22:52:22,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:52:22,838 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:22,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:52:22,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-11-06 22:52:22,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2023-11-06 22:52:22,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 23 states have internal predecessors, (25), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-06 22:52:22,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 51 transitions. [2023-11-06 22:52:22,928 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 51 transitions. Word has length 84 [2023-11-06 22:52:22,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:22,929 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 51 transitions. [2023-11-06 22:52:22,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-06 22:52:22,931 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2023-11-06 22:52:22,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-06 22:52:22,939 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:22,939 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:52:22,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-06 22:52:23,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:52:23,156 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:23,157 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:23,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1081124375, now seen corresponding path program 1 times [2023-11-06 22:52:23,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:52:23,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1708395801] [2023-11-06 22:52:23,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:23,159 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:52:23,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:52:23,160 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:52:23,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 22:52:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:23,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-06 22:52:23,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:52:25,886 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 228 proven. 63 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-06 22:52:25,886 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:52:27,270 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-06 22:52:27,270 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:52:27,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1708395801] [2023-11-06 22:52:27,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1708395801] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:52:27,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:52:27,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [25] total 30 [2023-11-06 22:52:27,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712971200] [2023-11-06 22:52:27,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:27,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:52:27,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:52:27,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:52:27,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=706, Unknown=0, NotChecked=0, Total=870 [2023-11-06 22:52:27,277 INFO L87 Difference]: Start difference. First operand 38 states and 51 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-06 22:52:29,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:29,587 INFO L93 Difference]: Finished difference Result 81 states and 106 transitions. [2023-11-06 22:52:29,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:52:29,596 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 84 [2023-11-06 22:52:29,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:29,598 INFO L225 Difference]: With dead ends: 81 [2023-11-06 22:52:29,598 INFO L226 Difference]: Without dead ends: 79 [2023-11-06 22:52:29,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=197, Invalid=993, Unknown=0, NotChecked=0, Total=1190 [2023-11-06 22:52:29,601 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 79 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:29,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 241 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-06 22:52:29,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-06 22:52:29,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 58. [2023-11-06 22:52:29,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 39 states have internal predecessors, (40), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 22:52:29,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2023-11-06 22:52:29,638 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 84 [2023-11-06 22:52:29,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:29,641 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2023-11-06 22:52:29,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-06 22:52:29,642 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2023-11-06 22:52:29,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-06 22:52:29,649 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:29,650 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:52:29,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:52:29,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:52:29,866 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:29,867 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:29,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1023866073, now seen corresponding path program 1 times [2023-11-06 22:52:29,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:52:29,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1362612488] [2023-11-06 22:52:29,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:29,868 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:52:29,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:52:29,870 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:52:29,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-06 22:52:30,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:30,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-06 22:52:30,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:52:38,167 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-06 22:52:38,168 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:52:38,168 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:52:38,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1362612488] [2023-11-06 22:52:38,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1362612488] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:38,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:38,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-06 22:52:38,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310604952] [2023-11-06 22:52:38,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:38,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:52:38,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:52:38,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:52:38,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:52:38,171 INFO L87 Difference]: Start difference. First operand 58 states and 72 transitions. Second operand has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 11 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-06 22:53:05,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:05,172 INFO L93 Difference]: Finished difference Result 92 states and 119 transitions. [2023-11-06 22:53:05,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-06 22:53:05,181 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 11 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 84 [2023-11-06 22:53:05,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:05,182 INFO L225 Difference]: With dead ends: 92 [2023-11-06 22:53:05,182 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:53:05,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2023-11-06 22:53:05,185 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 81 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:05,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 273 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 20.6s Time] [2023-11-06 22:53:05,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:53:05,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:53:05,187 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) [2023-11-06 22:53:05,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:53:05,188 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84 [2023-11-06 22:53:05,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:05,188 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:53:05,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 11 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-06 22:53:05,188 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:53:05,188 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:53:05,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:53:05,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-06 22:53:05,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:53:05,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:53:20,563 WARN L293 SmtUtils]: Spent 5.87s on a formula simplification. DAG size of input: 52 DAG size of output: 48 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-11-06 22:53:20,565 INFO L899 garLoopResultBuilder]: For program point L60(line 60) no Hoare annotation was computed. [2023-11-06 22:53:20,565 INFO L895 garLoopResultBuilder]: At program point L56(line 56) the Hoare annotation is: (let ((.cse0 ((_ zero_extend 24) ~var_1_11~0))) (and (bvsle .cse0 (_ bv1 32)) (bvsge .cse0 (_ bv1 32)) (= .cse0 ((_ zero_extend 24) ~var_1_10~0)))) [2023-11-06 22:53:20,565 INFO L895 garLoopResultBuilder]: At program point L56-1(line 56) the Hoare annotation is: (let ((.cse0 ((_ zero_extend 24) ~var_1_11~0))) (and (bvsle .cse0 (_ bv1 32)) (bvsge .cse0 (_ bv1 32)) (= .cse0 ((_ zero_extend 24) ~var_1_10~0)))) [2023-11-06 22:53:20,565 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-06 22:53:20,566 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-06 22:53:20,566 INFO L895 garLoopResultBuilder]: At program point L48(line 48) the Hoare annotation is: (let ((.cse0 ((_ zero_extend 24) ~var_1_11~0))) (and (bvsle .cse0 (_ bv1 32)) (bvsge .cse0 (_ bv1 32)) (= .cse0 ((_ zero_extend 24) ~var_1_10~0)))) [2023-11-06 22:53:20,566 INFO L895 garLoopResultBuilder]: At program point L19-3(line 19) the Hoare annotation is: (let ((.cse4 ((_ zero_extend 24) ~var_1_11~0))) (let ((.cse1 ((_ zero_extend 8) ~var_1_1~0)) (.cse0 (bvsle .cse4 (_ bv1 32))) (.cse2 (bvsge .cse4 (_ bv1 32))) (.cse3 (= .cse4 ((_ zero_extend 24) ~var_1_10~0)))) (or (and (not (fp.leq ~var_1_2~0 (fp.sub currentRoundingMode ~var_1_3~0 ~var_1_4~0))) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) (= |ULTIMATE.start_property_#res#1| (_ bv1 32)) .cse0 (= .cse1 ~var_1_12~0) .cse2 .cse3) (and (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32))) (= ((_ zero_extend 24) ~var_1_1~0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ~var_1_6~0) ((_ zero_extend 24) ~var_1_7~0) ((_ zero_extend 24) ~var_1_9~0) (bvneg ((_ zero_extend 24) ~var_1_8~0)))))) (= ((_ sign_extend 16) .cse1) ((_ sign_extend 16) ~var_1_12~0)) .cse0 (not (= |ULTIMATE.start_property_#res#1| (_ bv0 32))) .cse2 .cse3)))) [2023-11-06 22:53:20,567 INFO L899 garLoopResultBuilder]: For program point L48-1(line 48) no Hoare annotation was computed. [2023-11-06 22:53:20,567 INFO L895 garLoopResultBuilder]: At program point L44(line 44) the Hoare annotation is: (let ((.cse0 ((_ zero_extend 24) ~var_1_11~0))) (and (bvsle .cse0 (_ bv1 32)) (bvsge .cse0 (_ bv1 32)) (= .cse0 ((_ zero_extend 24) ~var_1_10~0)))) [2023-11-06 22:53:20,567 INFO L899 garLoopResultBuilder]: For program point L44-1(line 44) no Hoare annotation was computed. [2023-11-06 22:53:20,567 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 71 82) the Hoare annotation is: false [2023-11-06 22:53:20,567 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 66) no Hoare annotation was computed. [2023-11-06 22:53:20,568 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:53:20,568 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:53:20,568 INFO L899 garLoopResultBuilder]: For program point L57(line 57) no Hoare annotation was computed. [2023-11-06 22:53:20,568 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-06 22:53:20,569 INFO L895 garLoopResultBuilder]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 ((_ zero_extend 24) ~var_1_11~0))) (and (bvsle .cse0 (_ bv1 32)) (bvsge .cse0 (_ bv1 32)) (= .cse0 ((_ zero_extend 24) ~var_1_10~0)))) [2023-11-06 22:53:20,569 INFO L895 garLoopResultBuilder]: At program point L53-1(line 53) the Hoare annotation is: (let ((.cse0 ((_ zero_extend 24) ~var_1_11~0))) (and (bvsle .cse0 (_ bv1 32)) (bvsge .cse0 (_ bv1 32)) (= .cse0 ((_ zero_extend 24) ~var_1_10~0)))) [2023-11-06 22:53:20,569 INFO L895 garLoopResultBuilder]: At program point property_returnLabel#1(lines 67 70) the Hoare annotation is: (let ((.cse4 ((_ zero_extend 24) ~var_1_11~0))) (let ((.cse1 ((_ zero_extend 8) ~var_1_1~0)) (.cse0 (bvsle .cse4 (_ bv1 32))) (.cse2 (bvsge .cse4 (_ bv1 32))) (.cse3 (= .cse4 ((_ zero_extend 24) ~var_1_10~0)))) (or (and (not (fp.leq ~var_1_2~0 (fp.sub currentRoundingMode ~var_1_3~0 ~var_1_4~0))) (= |ULTIMATE.start_property_#res#1| (_ bv1 32)) .cse0 (= .cse1 ~var_1_12~0) .cse2 .cse3) (and (= ((_ zero_extend 24) ~var_1_1~0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ~var_1_6~0) ((_ zero_extend 24) ~var_1_7~0) ((_ zero_extend 24) ~var_1_9~0) (bvneg ((_ zero_extend 24) ~var_1_8~0)))))) (= ((_ sign_extend 16) .cse1) ((_ sign_extend 16) ~var_1_12~0)) .cse0 (not (= |ULTIMATE.start_property_#res#1| (_ bv0 32))) .cse2 .cse3)))) [2023-11-06 22:53:20,570 INFO L895 garLoopResultBuilder]: At program point L74-2(lines 74 80) the Hoare annotation is: (let ((.cse3 ((_ zero_extend 24) ~var_1_11~0))) (let ((.cse0 (bvsle .cse3 (_ bv1 32))) (.cse1 (bvsge .cse3 (_ bv1 32))) (.cse2 (= .cse3 ((_ zero_extend 24) ~var_1_10~0)))) (or (and (not (fp.leq ~var_1_2~0 (fp.sub currentRoundingMode ~var_1_3~0 ~var_1_4~0))) .cse0 .cse1 .cse2) (and (= ((_ zero_extend 24) ~var_1_1~0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ~var_1_6~0) ((_ zero_extend 24) ~var_1_7~0) ((_ zero_extend 24) ~var_1_9~0) (bvneg ((_ zero_extend 24) ~var_1_8~0)))))) (= ((_ sign_extend 16) ((_ zero_extend 8) ~var_1_1~0)) ((_ sign_extend 16) ~var_1_12~0)) .cse0 (not (= |ULTIMATE.start_property_#res#1| (_ bv0 32))) .cse1 .cse2)))) [2023-11-06 22:53:20,570 INFO L899 garLoopResultBuilder]: For program point L74-3(lines 74 80) no Hoare annotation was computed. [2023-11-06 22:53:20,570 INFO L899 garLoopResultBuilder]: For program point L37(lines 37 39) no Hoare annotation was computed. [2023-11-06 22:53:20,571 INFO L899 garLoopResultBuilder]: For program point L37-2(lines 37 39) no Hoare annotation was computed. [2023-11-06 22:53:20,571 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 34) no Hoare annotation was computed. [2023-11-06 22:53:20,571 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:53:20,571 INFO L902 garLoopResultBuilder]: At program point L62(line 62) the Hoare annotation is: true [2023-11-06 22:53:20,571 INFO L895 garLoopResultBuilder]: At program point L62-1(line 62) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_11~0) (_ bv1 32)) [2023-11-06 22:53:20,572 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-11-06 22:53:20,572 INFO L895 garLoopResultBuilder]: At program point L50(line 50) the Hoare annotation is: (let ((.cse0 ((_ zero_extend 24) ~var_1_11~0))) (and (bvsle .cse0 (_ bv1 32)) (bvsge .cse0 (_ bv1 32)) (= .cse0 ((_ zero_extend 24) ~var_1_10~0)))) [2023-11-06 22:53:20,572 INFO L895 garLoopResultBuilder]: At program point L50-1(line 50) the Hoare annotation is: (let ((.cse0 ((_ zero_extend 24) ~var_1_11~0))) (and (bvsle .cse0 (_ bv1 32)) (bvsge .cse0 (_ bv1 32)) (= .cse0 ((_ zero_extend 24) ~var_1_10~0)))) [2023-11-06 22:53:20,573 INFO L895 garLoopResultBuilder]: At program point L46(line 46) the Hoare annotation is: (let ((.cse0 ((_ zero_extend 24) ~var_1_11~0))) (and (bvsle .cse0 (_ bv1 32)) (bvsge .cse0 (_ bv1 32)) (= .cse0 ((_ zero_extend 24) ~var_1_10~0)))) [2023-11-06 22:53:20,573 INFO L899 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2023-11-06 22:53:20,573 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:53:20,573 INFO L899 garLoopResultBuilder]: For program point L63(lines 42 64) no Hoare annotation was computed. [2023-11-06 22:53:20,573 INFO L895 garLoopResultBuilder]: At program point L59(line 59) the Hoare annotation is: (let ((.cse0 ((_ zero_extend 24) ~var_1_11~0))) (and (bvsle .cse0 (_ bv1 32)) (bvsge .cse0 (_ bv1 32)) (= .cse0 ((_ zero_extend 24) ~var_1_10~0)))) [2023-11-06 22:53:20,574 INFO L895 garLoopResultBuilder]: At program point L59-1(line 59) the Hoare annotation is: (let ((.cse0 ((_ zero_extend 24) ~var_1_11~0))) (and (bvsle .cse0 (_ bv1 32)) (bvsge .cse0 (_ bv1 32)) (= .cse0 ((_ zero_extend 24) ~var_1_10~0)))) [2023-11-06 22:53:20,574 INFO L899 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2023-11-06 22:53:20,574 INFO L899 garLoopResultBuilder]: For program point L35(lines 35 41) no Hoare annotation was computed. [2023-11-06 22:53:20,574 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-06 22:53:20,574 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-11-06 22:53:20,575 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-11-06 22:53:20,575 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-06 22:53:20,578 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-06 22:53:20,580 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:53:20,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:53:20 BoogieIcfgContainer [2023-11-06 22:53:20,604 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:53:20,605 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:53:20,605 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:53:20,605 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:53:20,606 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:52:22" (3/4) ... [2023-11-06 22:53:20,608 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:53:20,612 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-06 22:53:20,617 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-06 22:53:20,618 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 22:53:20,618 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:53:20,618 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:53:20,646 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((var_1_11 <= 1) && (var_1_11 >= 1)) && (var_1_11 == var_1_10)) || ((((((var_1_1 == (((var_1_6 + var_1_7) % 4294967296) & 127)) && (var_1_1 == var_1_12)) && (var_1_11 <= 1)) && !((\result == 0))) && (var_1_11 >= 1)) && (var_1_11 == var_1_10))) [2023-11-06 22:53:20,648 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1) && (var_1_11 <= 1)) && (var_1_1 == var_1_12)) && (var_1_11 >= 1)) && (var_1_11 == var_1_10)) || ((((((var_1_1 == (((var_1_6 + var_1_7) % 4294967296) & 127)) && (var_1_1 == var_1_12)) && (var_1_11 <= 1)) && !((\result == 0))) && (var_1_11 >= 1)) && (var_1_11 == var_1_10))) [2023-11-06 22:53:20,648 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((cond == 1) && (\result == 1)) && (var_1_11 <= 1)) && (var_1_1 == var_1_12)) && (var_1_11 >= 1)) && (var_1_11 == var_1_10)) || ((((((!((cond == 0)) && (var_1_1 == (((var_1_6 + var_1_7) % 4294967296) & 127))) && (var_1_1 == var_1_12)) && (var_1_11 <= 1)) && !((\result == 0))) && (var_1_11 >= 1)) && (var_1_11 == var_1_10))) [2023-11-06 22:53:20,673 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((var_1_11 <= 1) && (var_1_11 >= 1)) && (var_1_11 == var_1_10)) || ((((((var_1_1 == (((var_1_6 + var_1_7) % 4294967296) & 127)) && (var_1_1 == var_1_12)) && (var_1_11 <= 1)) && !((\result == 0))) && (var_1_11 >= 1)) && (var_1_11 == var_1_10))) [2023-11-06 22:53:20,676 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1) && (var_1_11 <= 1)) && (var_1_1 == var_1_12)) && (var_1_11 >= 1)) && (var_1_11 == var_1_10)) || ((((((var_1_1 == (((var_1_6 + var_1_7) % 4294967296) & 127)) && (var_1_1 == var_1_12)) && (var_1_11 <= 1)) && !((\result == 0))) && (var_1_11 >= 1)) && (var_1_11 == var_1_10))) [2023-11-06 22:53:20,677 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((cond == 1) && (\result == 1)) && (var_1_11 <= 1)) && (var_1_1 == var_1_12)) && (var_1_11 >= 1)) && (var_1_11 == var_1_10)) || ((((((!((cond == 0)) && (var_1_1 == (((var_1_6 + var_1_7) % 4294967296) & 127))) && (var_1_1 == var_1_12)) && (var_1_11 <= 1)) && !((\result == 0))) && (var_1_11 >= 1)) && (var_1_11 == var_1_10))) [2023-11-06 22:53:20,687 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:53:20,687 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:53:20,687 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:53:20,689 INFO L158 Benchmark]: Toolchain (without parser) took 60125.94ms. Allocated memory was 73.4MB in the beginning and 134.2MB in the end (delta: 60.8MB). Free memory was 49.1MB in the beginning and 80.4MB in the end (delta: -31.4MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2023-11-06 22:53:20,689 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 73.4MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:53:20,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.12ms. Allocated memory is still 73.4MB. Free memory was 49.1MB in the beginning and 37.1MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:53:20,690 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.86ms. Allocated memory is still 73.4MB. Free memory was 37.1MB in the beginning and 35.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:53:20,690 INFO L158 Benchmark]: Boogie Preprocessor took 71.25ms. Allocated memory is still 73.4MB. Free memory was 35.2MB in the beginning and 33.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:53:20,691 INFO L158 Benchmark]: RCFGBuilder took 1013.67ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 33.4MB in the beginning and 81.8MB in the end (delta: -48.4MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2023-11-06 22:53:20,691 INFO L158 Benchmark]: TraceAbstraction took 58427.25ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 80.9MB in the beginning and 84.6MB in the end (delta: -3.7MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2023-11-06 22:53:20,692 INFO L158 Benchmark]: Witness Printer took 82.64ms. Allocated memory is still 134.2MB. Free memory was 84.6MB in the beginning and 80.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:53:20,695 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 73.4MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 467.12ms. Allocated memory is still 73.4MB. Free memory was 49.1MB in the beginning and 37.1MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.86ms. Allocated memory is still 73.4MB. Free memory was 37.1MB in the beginning and 35.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.25ms. Allocated memory is still 73.4MB. Free memory was 35.2MB in the beginning and 33.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1013.67ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 33.4MB in the beginning and 81.8MB in the end (delta: -48.4MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * TraceAbstraction took 58427.25ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 80.9MB in the beginning and 84.6MB in the end (delta: -3.7MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * Witness Printer took 82.64ms. Allocated memory is still 134.2MB. Free memory was 84.6MB in the beginning and 80.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 58.3s, OverallIterations: 3, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 29.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 174 SdHoareTripleChecker+Valid, 22.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 160 mSDsluCounter, 565 SdHoareTripleChecker+Invalid, 21.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 384 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 619 IncrementalHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 181 mSDtfsCounter, 619 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 352 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 428 ImplicationChecksByTransitivity, 13.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=2, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 21 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 59 PreInvPairs, 95 NumberOfFragments, 365 HoareAnnotationTreeSize, 59 FomulaSimplifications, 189 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 637 FormulaSimplificationTreeSizeReductionInter, 15.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 12.0s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 332 ConstructedInterpolants, 0 QuantifiedInterpolants, 1484 SizeOfPredicates, 42 NumberOfNonLiveVariables, 412 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 1185/1248 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((((((\result == 1) && (var_1_11 <= 1)) && (var_1_1 == var_1_12)) && (var_1_11 >= 1)) && (var_1_11 == var_1_10)) || ((((((var_1_1 == (((var_1_6 + var_1_7) % 4294967296) & 127)) && (var_1_1 == var_1_12)) && (var_1_11 <= 1)) && !((\result == 0))) && (var_1_11 >= 1)) && (var_1_11 == var_1_10))) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: ((((var_1_11 <= 1) && (var_1_11 >= 1)) && (var_1_11 == var_1_10)) || ((((((var_1_1 == (((var_1_6 + var_1_7) % 4294967296) & 127)) && (var_1_1 == var_1_12)) && (var_1_11 <= 1)) && !((\result == 0))) && (var_1_11 >= 1)) && (var_1_11 == var_1_10))) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: (((((((cond == 1) && (\result == 1)) && (var_1_11 <= 1)) && (var_1_1 == var_1_12)) && (var_1_11 >= 1)) && (var_1_11 == var_1_10)) || ((((((!((cond == 0)) && (var_1_1 == (((var_1_6 + var_1_7) % 4294967296) & 127))) && (var_1_1 == var_1_12)) && (var_1_11 <= 1)) && !((\result == 0))) && (var_1_11 >= 1)) && (var_1_11 == var_1_10))) RESULT: Ultimate proved your program to be correct! [2023-11-06 22:53:20,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7d9868-9fd5-49ae-b9bd-ba6263da137d/bin/uautomizer-verify-WvqO1wxjHP/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