./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2874825-f911-4050-9d08-9d4c4185d942/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2874825-f911-4050-9d08-9d4c4185d942/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2874825-f911-4050-9d08-9d4c4185d942/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2874825-f911-4050-9d08-9d4c4185d942/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2874825-f911-4050-9d08-9d4c4185d942/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2874825-f911-4050-9d08-9d4c4185d942/bin/uautomizer-ZsLfNo2U6R --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 e280ea7002eb926faba3195da50aa743246f3289123bb9a1b445dc9aaf8e8f3d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:06:27,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:06:27,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:06:27,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:06:27,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:06:27,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:06:27,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:06:27,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:06:27,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:06:27,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:06:27,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:06:27,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:06:27,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:06:27,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:06:27,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:06:27,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:06:27,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:06:27,252 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:06:27,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:06:27,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:06:27,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:06:27,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:06:27,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:06:27,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:06:27,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:06:27,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:06:27,283 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:06:27,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:06:27,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:06:27,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:06:27,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:06:27,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:06:27,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:06:27,294 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:06:27,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:06:27,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:06:27,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:06:27,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:06:27,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:06:27,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:06:27,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:06:27,303 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2874825-f911-4050-9d08-9d4c4185d942/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-25 18:06:27,345 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:06:27,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:06:27,350 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:06:27,351 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:06:27,352 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:06:27,352 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:06:27,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:06:27,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:06:27,354 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:06:27,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:06:27,355 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:06:27,355 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:06:27,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:06:27,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:06:27,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:06:27,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:06:27,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:06:27,357 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:06:27,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:06:27,357 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:06:27,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:06:27,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:06:27,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:06:27,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:06:27,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:06:27,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:06:27,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:06:27,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:06:27,360 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:06:27,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:06:27,361 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:06:27,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:06:27,362 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:06:27,362 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:06:27,362 INFO L138 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_a2874825-f911-4050-9d08-9d4c4185d942/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2874825-f911-4050-9d08-9d4c4185d942/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e280ea7002eb926faba3195da50aa743246f3289123bb9a1b445dc9aaf8e8f3d [2022-11-25 18:06:27,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:06:27,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:06:27,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:06:27,693 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:06:27,694 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:06:27,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2874825-f911-4050-9d08-9d4c4185d942/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c [2022-11-25 18:06:30,954 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:06:31,320 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:06:31,321 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2874825-f911-4050-9d08-9d4c4185d942/sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c [2022-11-25 18:06:31,328 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2874825-f911-4050-9d08-9d4c4185d942/bin/uautomizer-ZsLfNo2U6R/data/16ff6cc52/955573c95e0a4f44b1d7eca4f7852181/FLAG4d61a3798 [2022-11-25 18:06:31,342 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2874825-f911-4050-9d08-9d4c4185d942/bin/uautomizer-ZsLfNo2U6R/data/16ff6cc52/955573c95e0a4f44b1d7eca4f7852181 [2022-11-25 18:06:31,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:06:31,347 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:06:31,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:06:31,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:06:31,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:06:31,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:06:31" (1/1) ... [2022-11-25 18:06:31,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ff5df22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:31, skipping insertion in model container [2022-11-25 18:06:31,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:06:31" (1/1) ... [2022-11-25 18:06:31,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:06:31,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:06:31,577 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:06:31,579 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:06:31,586 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:06:31,588 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:06:31,591 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:06:31,593 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:06:31,606 WARN L237 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_a2874825-f911-4050-9d08-9d4c4185d942/sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c[3182,3195] [2022-11-25 18:06:31,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:06:31,629 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:06:31,648 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:06:31,649 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:06:31,653 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:06:31,654 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:06:31,657 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:06:31,659 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:06:31,667 WARN L237 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_a2874825-f911-4050-9d08-9d4c4185d942/sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c[3182,3195] [2022-11-25 18:06:31,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:06:31,690 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:06:31,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:31 WrapperNode [2022-11-25 18:06:31,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:06:31,692 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:06:31,692 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:06:31,692 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:06:31,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:31" (1/1) ... [2022-11-25 18:06:31,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:31" (1/1) ... [2022-11-25 18:06:31,799 INFO L138 Inliner]: procedures = 28, calls = 74, calls flagged for inlining = 18, calls inlined = 26, statements flattened = 362 [2022-11-25 18:06:31,814 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:06:31,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:06:31,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:06:31,815 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:06:31,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:31" (1/1) ... [2022-11-25 18:06:31,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:31" (1/1) ... [2022-11-25 18:06:31,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:31" (1/1) ... [2022-11-25 18:06:31,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:31" (1/1) ... [2022-11-25 18:06:31,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:31" (1/1) ... [2022-11-25 18:06:31,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:31" (1/1) ... [2022-11-25 18:06:31,877 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:31" (1/1) ... [2022-11-25 18:06:31,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:31" (1/1) ... [2022-11-25 18:06:31,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:06:31,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:06:31,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:06:31,886 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:06:31,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:31" (1/1) ... [2022-11-25 18:06:31,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:06:31,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2874825-f911-4050-9d08-9d4c4185d942/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:06:31,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2874825-f911-4050-9d08-9d4c4185d942/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:06:31,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2874825-f911-4050-9d08-9d4c4185d942/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:06:32,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:06:32,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 18:06:32,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:06:32,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:06:32,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:06:32,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 18:06:32,012 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-25 18:06:32,012 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-25 18:06:32,012 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-25 18:06:32,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-25 18:06:32,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-25 18:06:32,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-25 18:06:32,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:06:32,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 18:06:32,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 18:06:32,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 18:06:32,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:06:32,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:06:32,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:06:32,018 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 18:06:32,215 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:06:32,232 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:06:32,979 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:06:33,210 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:06:33,210 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-25 18:06:33,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:06:33 BoogieIcfgContainer [2022-11-25 18:06:33,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:06:33,217 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:06:33,217 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:06:33,221 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:06:33,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:06:31" (1/3) ... [2022-11-25 18:06:33,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@441f8bf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:06:33, skipping insertion in model container [2022-11-25 18:06:33,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:31" (2/3) ... [2022-11-25 18:06:33,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@441f8bf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:06:33, skipping insertion in model container [2022-11-25 18:06:33,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:06:33" (3/3) ... [2022-11-25 18:06:33,225 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product-alt.wvr.c [2022-11-25 18:06:33,235 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 18:06:33,249 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:06:33,249 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 18:06:33,249 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 18:06:33,433 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-25 18:06:33,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 327 places, 352 transitions, 728 flow [2022-11-25 18:06:33,673 INFO L130 PetriNetUnfolder]: 35/349 cut-off events. [2022-11-25 18:06:33,673 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-25 18:06:33,687 INFO L83 FinitePrefix]: Finished finitePrefix Result has 362 conditions, 349 events. 35/349 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 668 event pairs, 0 based on Foata normal form. 0/313 useless extension candidates. Maximal degree in co-relation 280. Up to 2 conditions per place. [2022-11-25 18:06:33,688 INFO L82 GeneralOperation]: Start removeDead. Operand has 327 places, 352 transitions, 728 flow [2022-11-25 18:06:33,699 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 313 places, 338 transitions, 694 flow [2022-11-25 18:06:33,703 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 18:06:33,721 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 313 places, 338 transitions, 694 flow [2022-11-25 18:06:33,724 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 313 places, 338 transitions, 694 flow [2022-11-25 18:06:33,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 313 places, 338 transitions, 694 flow [2022-11-25 18:06:33,909 INFO L130 PetriNetUnfolder]: 35/338 cut-off events. [2022-11-25 18:06:33,909 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-25 18:06:33,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 351 conditions, 338 events. 35/338 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 666 event pairs, 0 based on Foata normal form. 0/303 useless extension candidates. Maximal degree in co-relation 280. Up to 2 conditions per place. [2022-11-25 18:06:33,919 INFO L119 LiptonReduction]: Number of co-enabled transitions 13038 [2022-11-25 18:06:51,351 INFO L134 LiptonReduction]: Checked pairs total: 14478 [2022-11-25 18:06:51,351 INFO L136 LiptonReduction]: Total number of compositions: 385 [2022-11-25 18:06:51,370 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:06:51,378 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;@48e9f12f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:06:51,378 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-25 18:06:51,391 INFO L130 PetriNetUnfolder]: 10/40 cut-off events. [2022-11-25 18:06:51,391 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-25 18:06:51,391 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:06:51,392 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:06:51,393 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-25 18:06:51,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:06:51,399 INFO L85 PathProgramCache]: Analyzing trace with hash -2008709929, now seen corresponding path program 1 times [2022-11-25 18:06:51,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:06:51,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635271115] [2022-11-25 18:06:51,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:06:51,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:06:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:52,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:06:52,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:06:52,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635271115] [2022-11-25 18:06:52,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635271115] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:06:52,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:06:52,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:06:52,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848491559] [2022-11-25 18:06:52,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:06:52,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 18:06:52,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:06:52,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 18:06:52,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:06:53,505 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 737 [2022-11-25 18:06:53,512 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 41 transitions, 100 flow. Second operand has 7 states, 7 states have (on average 302.0) internal successors, (2114), 7 states have internal predecessors, (2114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:53,512 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:06:53,512 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 737 [2022-11-25 18:06:53,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:06:55,344 INFO L130 PetriNetUnfolder]: 4799/6525 cut-off events. [2022-11-25 18:06:55,344 INFO L131 PetriNetUnfolder]: For 333/333 co-relation queries the response was YES. [2022-11-25 18:06:55,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13481 conditions, 6525 events. 4799/6525 cut-off events. For 333/333 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 30701 event pairs, 2376 based on Foata normal form. 0/4837 useless extension candidates. Maximal degree in co-relation 4017. Up to 1718 conditions per place. [2022-11-25 18:06:55,392 INFO L137 encePairwiseOnDemand]: 726/737 looper letters, 163 selfloop transitions, 17 changer transitions 0/181 dead transitions. [2022-11-25 18:06:55,393 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 181 transitions, 794 flow [2022-11-25 18:06:55,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 18:06:55,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-11-25 18:06:55,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3478 transitions. [2022-11-25 18:06:55,425 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4290119649685457 [2022-11-25 18:06:55,426 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3478 transitions. [2022-11-25 18:06:55,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3478 transitions. [2022-11-25 18:06:55,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:06:55,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3478 transitions. [2022-11-25 18:06:55,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 316.1818181818182) internal successors, (3478), 11 states have internal predecessors, (3478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:55,480 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 737.0) internal successors, (8844), 12 states have internal predecessors, (8844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:55,487 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 737.0) internal successors, (8844), 12 states have internal predecessors, (8844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:55,490 INFO L175 Difference]: Start difference. First operand has 41 places, 41 transitions, 100 flow. Second operand 11 states and 3478 transitions. [2022-11-25 18:06:55,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 181 transitions, 794 flow [2022-11-25 18:06:55,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 181 transitions, 746 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-25 18:06:55,516 INFO L231 Difference]: Finished difference. Result has 50 places, 54 transitions, 189 flow [2022-11-25 18:06:55,519 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=737, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=189, PETRI_PLACES=50, PETRI_TRANSITIONS=54} [2022-11-25 18:06:55,524 INFO L288 CegarLoopForPetriNet]: 41 programPoint places, 9 predicate places. [2022-11-25 18:06:55,524 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 54 transitions, 189 flow [2022-11-25 18:06:55,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 302.0) internal successors, (2114), 7 states have internal predecessors, (2114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:55,533 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:06:55,534 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:06:55,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:06:55,534 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-25 18:06:55,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:06:55,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1827292500, now seen corresponding path program 1 times [2022-11-25 18:06:55,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:06:55,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968528312] [2022-11-25 18:06:55,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:06:55,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:06:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:55,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:06:55,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:06:55,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968528312] [2022-11-25 18:06:55,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968528312] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:06:55,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:06:55,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:06:55,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946296722] [2022-11-25 18:06:55,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:06:55,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:06:55,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:06:55,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:06:55,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:06:55,761 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 737 [2022-11-25 18:06:55,764 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 54 transitions, 189 flow. Second operand has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:55,764 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:06:55,764 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 737 [2022-11-25 18:06:55,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:06:57,026 INFO L130 PetriNetUnfolder]: 4362/6095 cut-off events. [2022-11-25 18:06:57,026 INFO L131 PetriNetUnfolder]: For 2140/2488 co-relation queries the response was YES. [2022-11-25 18:06:57,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14316 conditions, 6095 events. 4362/6095 cut-off events. For 2140/2488 co-relation queries the response was YES. Maximal size of possible extension queue 313. Compared 31001 event pairs, 2495 based on Foata normal form. 588/4825 useless extension candidates. Maximal degree in co-relation 10512. Up to 3670 conditions per place. [2022-11-25 18:06:57,058 INFO L137 encePairwiseOnDemand]: 732/737 looper letters, 46 selfloop transitions, 4 changer transitions 28/82 dead transitions. [2022-11-25 18:06:57,058 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 82 transitions, 407 flow [2022-11-25 18:06:57,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:06:57,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-25 18:06:57,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1651 transitions. [2022-11-25 18:06:57,064 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4480325644504749 [2022-11-25 18:06:57,064 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1651 transitions. [2022-11-25 18:06:57,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1651 transitions. [2022-11-25 18:06:57,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:06:57,066 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1651 transitions. [2022-11-25 18:06:57,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 330.2) internal successors, (1651), 5 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:57,077 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 737.0) internal successors, (4422), 6 states have internal predecessors, (4422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:57,080 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 737.0) internal successors, (4422), 6 states have internal predecessors, (4422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:57,081 INFO L175 Difference]: Start difference. First operand has 50 places, 54 transitions, 189 flow. Second operand 5 states and 1651 transitions. [2022-11-25 18:06:57,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 82 transitions, 407 flow [2022-11-25 18:06:57,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 82 transitions, 403 flow, removed 2 selfloop flow, removed 0 redundant places. [2022-11-25 18:06:57,152 INFO L231 Difference]: Finished difference. Result has 56 places, 52 transitions, 193 flow [2022-11-25 18:06:57,152 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=737, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=193, PETRI_PLACES=56, PETRI_TRANSITIONS=52} [2022-11-25 18:06:57,153 INFO L288 CegarLoopForPetriNet]: 41 programPoint places, 15 predicate places. [2022-11-25 18:06:57,153 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 52 transitions, 193 flow [2022-11-25 18:06:57,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:57,155 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:06:57,155 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:06:57,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:06:57,156 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-25 18:06:57,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:06:57,160 INFO L85 PathProgramCache]: Analyzing trace with hash 298375036, now seen corresponding path program 1 times [2022-11-25 18:06:57,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:06:57,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507840140] [2022-11-25 18:06:57,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:06:57,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:06:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:57,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:06:57,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:06:57,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507840140] [2022-11-25 18:06:57,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507840140] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:06:57,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:06:57,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:06:57,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859932692] [2022-11-25 18:06:57,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:06:57,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:06:57,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:06:57,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:06:57,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:06:57,475 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 737 [2022-11-25 18:06:57,477 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 52 transitions, 193 flow. Second operand has 4 states, 4 states have (on average 314.5) internal successors, (1258), 4 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:57,477 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:06:57,477 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 737 [2022-11-25 18:06:57,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:06:58,691 INFO L130 PetriNetUnfolder]: 3837/5331 cut-off events. [2022-11-25 18:06:58,692 INFO L131 PetriNetUnfolder]: For 2034/2316 co-relation queries the response was YES. [2022-11-25 18:06:58,705 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12771 conditions, 5331 events. 3837/5331 cut-off events. For 2034/2316 co-relation queries the response was YES. Maximal size of possible extension queue 280. Compared 26156 event pairs, 2192 based on Foata normal form. 469/4144 useless extension candidates. Maximal degree in co-relation 9012. Up to 3680 conditions per place. [2022-11-25 18:06:58,731 INFO L137 encePairwiseOnDemand]: 731/737 looper letters, 43 selfloop transitions, 6 changer transitions 31/84 dead transitions. [2022-11-25 18:06:58,732 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 84 transitions, 441 flow [2022-11-25 18:06:58,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:06:58,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-25 18:06:58,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1613 transitions. [2022-11-25 18:06:58,738 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4377204884667571 [2022-11-25 18:06:58,738 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1613 transitions. [2022-11-25 18:06:58,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1613 transitions. [2022-11-25 18:06:58,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:06:58,740 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1613 transitions. [2022-11-25 18:06:58,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 322.6) internal successors, (1613), 5 states have internal predecessors, (1613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:58,752 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 737.0) internal successors, (4422), 6 states have internal predecessors, (4422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:58,755 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 737.0) internal successors, (4422), 6 states have internal predecessors, (4422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:58,755 INFO L175 Difference]: Start difference. First operand has 56 places, 52 transitions, 193 flow. Second operand 5 states and 1613 transitions. [2022-11-25 18:06:58,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 84 transitions, 441 flow [2022-11-25 18:06:58,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 84 transitions, 427 flow, removed 4 selfloop flow, removed 4 redundant places. [2022-11-25 18:06:58,789 INFO L231 Difference]: Finished difference. Result has 55 places, 53 transitions, 209 flow [2022-11-25 18:06:58,789 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=737, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=209, PETRI_PLACES=55, PETRI_TRANSITIONS=53} [2022-11-25 18:06:58,791 INFO L288 CegarLoopForPetriNet]: 41 programPoint places, 14 predicate places. [2022-11-25 18:06:58,792 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 53 transitions, 209 flow [2022-11-25 18:06:58,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 314.5) internal successors, (1258), 4 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:58,793 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:06:58,793 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:06:58,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 18:06:58,794 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-25 18:06:58,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:06:58,794 INFO L85 PathProgramCache]: Analyzing trace with hash 456489868, now seen corresponding path program 1 times [2022-11-25 18:06:58,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:06:58,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917996010] [2022-11-25 18:06:58,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:06:58,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:06:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:06:59,484 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 18:06:59,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:06:59,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917996010] [2022-11-25 18:06:59,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917996010] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:06:59,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:06:59,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:06:59,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978166472] [2022-11-25 18:06:59,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:06:59,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:06:59,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:06:59,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:06:59,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:06:59,608 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 737 [2022-11-25 18:06:59,610 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 53 transitions, 209 flow. Second operand has 4 states, 4 states have (on average 314.75) internal successors, (1259), 4 states have internal predecessors, (1259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:06:59,611 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:06:59,611 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 737 [2022-11-25 18:06:59,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:07:00,034 INFO L130 PetriNetUnfolder]: 1385/1883 cut-off events. [2022-11-25 18:07:00,035 INFO L131 PetriNetUnfolder]: For 564/620 co-relation queries the response was YES. [2022-11-25 18:07:00,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4570 conditions, 1883 events. 1385/1883 cut-off events. For 564/620 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 7355 event pairs, 793 based on Foata normal form. 58/1324 useless extension candidates. Maximal degree in co-relation 4484. Up to 1842 conditions per place. [2022-11-25 18:07:00,048 INFO L137 encePairwiseOnDemand]: 730/737 looper letters, 38 selfloop transitions, 4 changer transitions 9/54 dead transitions. [2022-11-25 18:07:00,048 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 54 transitions, 324 flow [2022-11-25 18:07:00,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:07:00,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-25 18:07:00,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1593 transitions. [2022-11-25 18:07:00,054 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4322930800542741 [2022-11-25 18:07:00,054 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1593 transitions. [2022-11-25 18:07:00,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1593 transitions. [2022-11-25 18:07:00,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:07:00,056 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1593 transitions. [2022-11-25 18:07:00,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 318.6) internal successors, (1593), 5 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:07:00,067 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 737.0) internal successors, (4422), 6 states have internal predecessors, (4422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:07:00,069 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 737.0) internal successors, (4422), 6 states have internal predecessors, (4422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:07:00,069 INFO L175 Difference]: Start difference. First operand has 55 places, 53 transitions, 209 flow. Second operand 5 states and 1593 transitions. [2022-11-25 18:07:00,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 54 transitions, 324 flow [2022-11-25 18:07:00,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 54 transitions, 294 flow, removed 7 selfloop flow, removed 5 redundant places. [2022-11-25 18:07:00,077 INFO L231 Difference]: Finished difference. Result has 51 places, 45 transitions, 149 flow [2022-11-25 18:07:00,077 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=737, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=149, PETRI_PLACES=51, PETRI_TRANSITIONS=45} [2022-11-25 18:07:00,078 INFO L288 CegarLoopForPetriNet]: 41 programPoint places, 10 predicate places. [2022-11-25 18:07:00,078 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 45 transitions, 149 flow [2022-11-25 18:07:00,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 314.75) internal successors, (1259), 4 states have internal predecessors, (1259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:07:00,080 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:07:00,080 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:07:00,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 18:07:00,080 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-25 18:07:00,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:07:00,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1257361905, now seen corresponding path program 1 times [2022-11-25 18:07:00,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:07:00,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284758794] [2022-11-25 18:07:00,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:07:00,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:07:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:00,312 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 18:07:00,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:07:00,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284758794] [2022-11-25 18:07:00,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284758794] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:07:00,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389164312] [2022-11-25 18:07:00,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:07:00,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:07:00,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2874825-f911-4050-9d08-9d4c4185d942/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:07:00,322 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2874825-f911-4050-9d08-9d4c4185d942/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:07:00,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2874825-f911-4050-9d08-9d4c4185d942/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 18:07:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:00,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 18:07:00,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:07:00,698 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 18:07:00,698 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:07:00,749 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 18:07:00,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389164312] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-25 18:07:00,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-25 18:07:00,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 4] total 9 [2022-11-25 18:07:00,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959550692] [2022-11-25 18:07:00,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:07:00,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:07:00,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:07:00,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:07:00,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-25 18:07:00,942 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 737 [2022-11-25 18:07:00,947 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 45 transitions, 149 flow. Second operand has 5 states, 5 states have (on average 304.2) internal successors, (1521), 5 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:07:00,947 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:07:00,948 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 737 [2022-11-25 18:07:00,948 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:07:01,408 INFO L130 PetriNetUnfolder]: 1492/2025 cut-off events. [2022-11-25 18:07:01,409 INFO L131 PetriNetUnfolder]: For 88/205 co-relation queries the response was YES. [2022-11-25 18:07:01,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4404 conditions, 2025 events. 1492/2025 cut-off events. For 88/205 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 7472 event pairs, 533 based on Foata normal form. 117/1564 useless extension candidates. Maximal degree in co-relation 4374. Up to 1256 conditions per place. [2022-11-25 18:07:01,428 INFO L137 encePairwiseOnDemand]: 730/737 looper letters, 54 selfloop transitions, 6 changer transitions 0/62 dead transitions. [2022-11-25 18:07:01,428 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 62 transitions, 309 flow [2022-11-25 18:07:01,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:07:01,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-25 18:07:01,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1551 transitions. [2022-11-25 18:07:01,433 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4208955223880597 [2022-11-25 18:07:01,434 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1551 transitions. [2022-11-25 18:07:01,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1551 transitions. [2022-11-25 18:07:01,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:07:01,435 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1551 transitions. [2022-11-25 18:07:01,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 310.2) internal successors, (1551), 5 states have internal predecessors, (1551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:07:01,445 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 737.0) internal successors, (4422), 6 states have internal predecessors, (4422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:07:01,447 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 737.0) internal successors, (4422), 6 states have internal predecessors, (4422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:07:01,447 INFO L175 Difference]: Start difference. First operand has 51 places, 45 transitions, 149 flow. Second operand 5 states and 1551 transitions. [2022-11-25 18:07:01,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 62 transitions, 309 flow [2022-11-25 18:07:01,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 62 transitions, 297 flow, removed 2 selfloop flow, removed 3 redundant places. [2022-11-25 18:07:01,450 INFO L231 Difference]: Finished difference. Result has 50 places, 47 transitions, 168 flow [2022-11-25 18:07:01,451 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=737, PETRI_DIFFERENCE_MINUEND_FLOW=137, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=168, PETRI_PLACES=50, PETRI_TRANSITIONS=47} [2022-11-25 18:07:01,454 INFO L288 CegarLoopForPetriNet]: 41 programPoint places, 9 predicate places. [2022-11-25 18:07:01,455 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 47 transitions, 168 flow [2022-11-25 18:07:01,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 304.2) internal successors, (1521), 5 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:07:01,456 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:07:01,456 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:07:01,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2874825-f911-4050-9d08-9d4c4185d942/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 18:07:01,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2874825-f911-4050-9d08-9d4c4185d942/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:07:01,664 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-25 18:07:01,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:07:01,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1783156713, now seen corresponding path program 1 times [2022-11-25 18:07:01,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:07:01,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8276350] [2022-11-25 18:07:01,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:07:01,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:07:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:01,842 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 18:07:01,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:07:01,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8276350] [2022-11-25 18:07:01,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8276350] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:07:01,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:07:01,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:07:01,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028992218] [2022-11-25 18:07:01,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:07:01,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:07:01,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:07:01,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:07:01,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:07:01,866 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 737 [2022-11-25 18:07:01,868 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 47 transitions, 168 flow. Second operand has 4 states, 4 states have (on average 320.25) internal successors, (1281), 4 states have internal predecessors, (1281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:07:01,868 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:07:01,869 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 737 [2022-11-25 18:07:01,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:07:02,402 INFO L130 PetriNetUnfolder]: 1594/2194 cut-off events. [2022-11-25 18:07:02,402 INFO L131 PetriNetUnfolder]: For 492/722 co-relation queries the response was YES. [2022-11-25 18:07:02,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5295 conditions, 2194 events. 1594/2194 cut-off events. For 492/722 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 8835 event pairs, 798 based on Foata normal form. 288/1908 useless extension candidates. Maximal degree in co-relation 5259. Up to 1685 conditions per place. [2022-11-25 18:07:02,413 INFO L137 encePairwiseOnDemand]: 734/737 looper letters, 42 selfloop transitions, 0 changer transitions 33/78 dead transitions. [2022-11-25 18:07:02,414 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 78 transitions, 392 flow [2022-11-25 18:07:02,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:07:02,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-25 18:07:02,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1319 transitions. [2022-11-25 18:07:02,419 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.44742198100407055 [2022-11-25 18:07:02,419 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1319 transitions. [2022-11-25 18:07:02,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1319 transitions. [2022-11-25 18:07:02,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:07:02,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1319 transitions. [2022-11-25 18:07:02,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 329.75) internal successors, (1319), 4 states have internal predecessors, (1319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:07:02,429 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 737.0) internal successors, (3685), 5 states have internal predecessors, (3685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:07:02,430 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 737.0) internal successors, (3685), 5 states have internal predecessors, (3685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:07:02,431 INFO L175 Difference]: Start difference. First operand has 50 places, 47 transitions, 168 flow. Second operand 4 states and 1319 transitions. [2022-11-25 18:07:02,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 78 transitions, 392 flow [2022-11-25 18:07:02,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 78 transitions, 385 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-11-25 18:07:02,437 INFO L231 Difference]: Finished difference. Result has 53 places, 45 transitions, 156 flow [2022-11-25 18:07:02,437 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=737, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=156, PETRI_PLACES=53, PETRI_TRANSITIONS=45} [2022-11-25 18:07:02,442 INFO L288 CegarLoopForPetriNet]: 41 programPoint places, 12 predicate places. [2022-11-25 18:07:02,442 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 45 transitions, 156 flow [2022-11-25 18:07:02,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 320.25) internal successors, (1281), 4 states have internal predecessors, (1281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:07:02,443 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:07:02,444 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:07:02,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 18:07:02,445 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-25 18:07:02,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:07:02,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1200321781, now seen corresponding path program 1 times [2022-11-25 18:07:02,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:07:02,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048494298] [2022-11-25 18:07:02,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:07:02,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:07:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:06,515 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 18:07:06,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:07:06,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048494298] [2022-11-25 18:07:06,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048494298] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:07:06,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067965494] [2022-11-25 18:07:06,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:07:06,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:07:06,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2874825-f911-4050-9d08-9d4c4185d942/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:07:06,518 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2874825-f911-4050-9d08-9d4c4185d942/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:07:06,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2874825-f911-4050-9d08-9d4c4185d942/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 18:07:06,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:06,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 90 conjunts are in the unsatisfiable core [2022-11-25 18:07:06,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:07:07,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 18:07:07,156 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-25 18:07:07,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-25 18:07:07,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-25 18:07:07,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 18:07:07,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-25 18:07:07,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-25 18:07:07,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:07:07,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 54 [2022-11-25 18:07:07,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 18:07:07,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 18:07:08,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:07:08,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 43 [2022-11-25 18:07:08,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 18:07:08,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:07:08,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-11-25 18:07:08,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:07:08,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 34 [2022-11-25 18:07:08,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:07:08,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 32 [2022-11-25 18:07:08,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 18:07:10,208 INFO L321 Elim1Store]: treesize reduction 161, result has 29.7 percent of original size [2022-11-25 18:07:10,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 191 treesize of output 150 [2022-11-25 18:07:10,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 18:07:10,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 113 [2022-11-25 18:07:10,267 INFO L321 Elim1Store]: treesize reduction 30, result has 18.9 percent of original size [2022-11-25 18:07:10,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 125 treesize of output 91 [2022-11-25 18:07:10,435 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 18:07:10,435 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:07:13,030 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse12 (* |c_thread1Thread1of1ForFork1_~i~0#1| 4))) (let ((.cse8 (+ .cse12 c_~A~0.offset))) (and (forall ((v_ArrVal_490 (Array Int Int))) (let ((.cse13 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_490))) (or (forall ((v_ArrVal_492 (Array Int Int)) (v_ArrVal_491 (Array Int Int)) (v_ArrVal_493 (Array Int Int)) (~B~0.offset Int) (~B~0.base Int) (v_ArrVal_489 (Array Int Int)) (v_ArrVal_488 (Array Int Int))) (let ((.cse3 (store .cse13 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_492))) (let ((.cse11 (select .cse3 ~B~0.base))) (let ((.cse0 (select .cse11 (+ .cse12 ~B~0.offset)))) (or (< c_~maxB~0 (+ .cse0 1)) (not (<= 0 .cse0)) (forall ((|thread3Thread1of1ForFork0_~i~2#1| Int)) (let ((.cse7 (select .cse3 c_~A~0.base)) (.cse10 (* |thread3Thread1of1ForFork0_~i~2#1| 4))) (let ((.cse1 (select .cse11 (+ .cse10 ~B~0.offset))) (.cse2 (select .cse7 (+ c_~A~0.offset .cse10)))) (or (not (<= 0 .cse1)) (not (< .cse1 c_~maxB~0)) (not (<= 0 .cse2)) (not (< .cse2 c_~maxA~0)) (let ((.cse4 (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_489) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_491) c_~mult~0.base)) (.cse6 (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_488) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_493) c_~mult~0.base))) (< (+ (let ((.cse5 (+ c_~mult~0.offset (* (select .cse7 .cse8) 4)))) (select (select .cse3 (select .cse4 .cse5)) (+ (* .cse0 4) (select .cse6 .cse5)))) c_~res1~0) (+ (let ((.cse9 (+ (* 4 .cse2) c_~mult~0.offset))) (select (select .cse3 (select .cse4 .cse9)) (+ (* .cse1 4) (select .cse6 .cse9)))) c_~res2~0 1)))))))))))) (< c_~maxA~0 (+ (select (select .cse13 c_~A~0.base) .cse8) 1))))) (forall ((v_ArrVal_490 (Array Int Int))) (let ((.cse25 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_490))) (or (forall ((v_ArrVal_492 (Array Int Int)) (v_ArrVal_491 (Array Int Int)) (v_ArrVal_493 (Array Int Int)) (~B~0.offset Int) (~B~0.base Int) (v_ArrVal_489 (Array Int Int)) (v_ArrVal_488 (Array Int Int))) (let ((.cse16 (store .cse25 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_492))) (let ((.cse24 (select .cse16 ~B~0.base))) (let ((.cse21 (select .cse24 (+ .cse12 ~B~0.offset)))) (or (forall ((|thread3Thread1of1ForFork0_~i~2#1| Int)) (let ((.cse22 (select .cse16 c_~A~0.base)) (.cse23 (* |thread3Thread1of1ForFork0_~i~2#1| 4))) (let ((.cse14 (select .cse24 (+ .cse23 ~B~0.offset))) (.cse15 (select .cse22 (+ c_~A~0.offset .cse23)))) (or (not (<= 0 .cse14)) (not (< .cse14 c_~maxB~0)) (not (<= 0 .cse15)) (let ((.cse17 (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_489) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_491) c_~mult~0.base)) (.cse19 (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_488) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_493) c_~mult~0.base))) (<= (+ (let ((.cse18 (+ (* 4 .cse15) c_~mult~0.offset))) (select (select .cse16 (select .cse17 .cse18)) (+ (* .cse14 4) (select .cse19 .cse18)))) c_~res2~0) (+ (let ((.cse20 (+ c_~mult~0.offset (* (select .cse22 .cse8) 4)))) (select (select .cse16 (select .cse17 .cse20)) (+ (* .cse21 4) (select .cse19 .cse20)))) c_~res1~0))) (not (< .cse15 c_~maxA~0)))))) (< c_~maxB~0 (+ .cse21 1)) (not (<= 0 .cse21))))))) (< c_~maxA~0 (+ (select (select .cse25 c_~A~0.base) .cse8) 1)))))))) is different from false [2022-11-25 18:07:16,611 WARN L837 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_492 (Array Int Int)) (v_ArrVal_491 (Array Int Int)) (|thread1Thread1of1ForFork1_~i~0#1| Int) (v_ArrVal_493 (Array Int Int)) (v_ArrVal_485 (Array Int Int)) (~B~0.base Int) (v_ArrVal_487 (Array Int Int)) (v_ArrVal_486 (Array Int Int)) (v_ArrVal_489 (Array Int Int)) (v_ArrVal_488 (Array Int Int)) (~A~0.offset Int) (|thread3Thread1of1ForFork0_~i~2#1| Int) (~B~0.offset Int)) (let ((.cse11 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_486))) (let ((.cse0 (store .cse11 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_490))) (let ((.cse4 (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_492))) (let ((.cse12 (select .cse4 ~B~0.base)) (.cse14 (* 4 |thread1Thread1of1ForFork1_~i~0#1|)) (.cse10 (select .cse4 c_~A~0.base)) (.cse13 (* |thread3Thread1of1ForFork0_~i~2#1| 4))) (let ((.cse2 (select .cse10 (+ .cse13 ~A~0.offset))) (.cse9 (select .cse12 (+ .cse14 ~B~0.offset))) (.cse1 (+ .cse14 ~A~0.offset)) (.cse3 (select .cse12 (+ .cse13 ~B~0.offset)))) (or (< |c_ULTIMATE.start_main_~i~3#1| (+ 1 (select (select .cse0 c_~A~0.base) .cse1))) (not (<= 0 .cse2)) (not (<= 0 .cse3)) (let ((.cse5 (select (store (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_485) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_489) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_491) c_~mult~0.base)) (.cse7 (select (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_487) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_488) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_493) c_~mult~0.base))) (<= (+ (let ((.cse6 (+ (* 4 .cse2) c_~mult~0.offset))) (select (select .cse4 (select .cse5 .cse6)) (+ (select .cse7 .cse6) (* .cse3 4)))) c_~res2~0) (+ c_~res1~0 (let ((.cse8 (+ c_~mult~0.offset (* (select .cse10 .cse1) 4)))) (select (select .cse4 (select .cse5 .cse8)) (+ (select .cse7 .cse8) (* .cse9 4))))))) (< c_~maxB~0 (+ .cse9 1)) (< |c_ULTIMATE.start_main_~i~3#1| (+ .cse2 1)) (not (<= 0 .cse9)) (< (select (select .cse11 c_~A~0.base) .cse1) 0) (not (< .cse3 c_~maxB~0))))))))) (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_492 (Array Int Int)) (|thread1Thread1of1ForFork1_~i~0#1| Int) (v_ArrVal_491 (Array Int Int)) (v_ArrVal_493 (Array Int Int)) (v_ArrVal_485 (Array Int Int)) (~B~0.base Int) (v_ArrVal_487 (Array Int Int)) (v_ArrVal_486 (Array Int Int)) (v_ArrVal_489 (Array Int Int)) (v_ArrVal_488 (Array Int Int)) (~A~0.offset Int) (|thread3Thread1of1ForFork0_~i~2#1| Int) (~B~0.offset Int)) (let ((.cse26 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_486))) (let ((.cse15 (store .cse26 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_490))) (let ((.cse17 (store .cse15 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_492))) (let ((.cse27 (select .cse17 ~B~0.base)) (.cse29 (* 4 |thread1Thread1of1ForFork1_~i~0#1|)) (.cse22 (select .cse17 c_~A~0.base)) (.cse28 (* |thread3Thread1of1ForFork0_~i~2#1| 4))) (let ((.cse25 (select .cse22 (+ .cse28 ~A~0.offset))) (.cse21 (select .cse27 (+ .cse29 ~B~0.offset))) (.cse16 (+ .cse29 ~A~0.offset)) (.cse24 (select .cse27 (+ .cse28 ~B~0.offset)))) (or (< |c_ULTIMATE.start_main_~i~3#1| (+ 1 (select (select .cse15 c_~A~0.base) .cse16))) (let ((.cse18 (select (store (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_485) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_489) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_491) c_~mult~0.base)) (.cse20 (select (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_487) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_488) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_493) c_~mult~0.base))) (< (+ c_~res1~0 (let ((.cse19 (+ c_~mult~0.offset (* (select .cse22 .cse16) 4)))) (select (select .cse17 (select .cse18 .cse19)) (+ (select .cse20 .cse19) (* .cse21 4))))) (+ (let ((.cse23 (+ (* 4 .cse25) c_~mult~0.offset))) (select (select .cse17 (select .cse18 .cse23)) (+ (select .cse20 .cse23) (* .cse24 4)))) c_~res2~0 1))) (not (<= 0 .cse25)) (not (<= 0 .cse24)) (< c_~maxB~0 (+ .cse21 1)) (< |c_ULTIMATE.start_main_~i~3#1| (+ .cse25 1)) (not (<= 0 .cse21)) (< (select (select .cse26 c_~A~0.base) .cse16) 0) (not (< .cse24 c_~maxB~0)))))))))) is different from false [2022-11-25 18:07:16,749 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:07:16,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 940 treesize of output 905 [2022-11-25 18:07:16,784 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:07:16,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 892 treesize of output 857 [2022-11-25 18:07:16,972 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:07:16,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 14700 treesize of output 14684 [2022-11-25 18:07:17,314 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:07:17,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 600428 treesize of output 579356 [2022-11-25 18:07:18,806 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:07:18,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 578911 treesize of output 565652 [2022-11-25 18:07:19,443 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:07:19,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 565599 treesize of output 539028 [2022-11-25 18:07:20,317 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:07:20,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 538975 treesize of output 485780 [2022-11-25 18:07:20,892 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:07:20,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 485727 treesize of output 472468 [2022-11-25 18:07:21,477 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:07:21,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 472415 treesize of output 419220 [2022-11-25 18:07:22,239 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:07:22,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 419167 treesize of output 392596 [2022-11-25 18:07:22,824 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:07:22,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 392543 treesize of output 365972 [2022-11-25 18:07:23,392 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:07:23,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 365919 treesize of output 352660 [2022-11-25 18:07:23,967 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:07:23,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 352607 treesize of output 346004 [2022-11-25 18:07:24,531 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:07:24,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 345951 treesize of output 332692 [2022-11-25 18:07:25,127 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:07:25,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 332639 treesize of output 306068 [2022-11-25 18:07:25,686 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:07:25,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 306015 treesize of output 299412