./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.01.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.01.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f24e14c02d3357f8669328b41c4b37af446f7269afa24af78cb772dc24fa0c01 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:35:30,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:35:31,012 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 13:35:31,017 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:35:31,018 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:35:31,042 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:35:31,042 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:35:31,043 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:35:31,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:35:31,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:35:31,045 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:35:31,045 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:35:31,046 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:35:31,046 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:35:31,047 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:35:31,047 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:35:31,048 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:35:31,048 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:35:31,049 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:35:31,049 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:35:31,050 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:35:31,051 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:35:31,051 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:35:31,052 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:35:31,052 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:35:31,053 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:35:31,053 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:35:31,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:35:31,054 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:35:31,054 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:35:31,055 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:35:31,055 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:35:31,055 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:35:31,055 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:35:31,056 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:35:31,056 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:35:31,056 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:35:31,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:35:31,057 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:35:31,057 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:35:31,057 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:35:31,057 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:35:31,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:35:31,058 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:35:31,058 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:35:31,058 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:35:31,059 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:35:31,059 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f24e14c02d3357f8669328b41c4b37af446f7269afa24af78cb772dc24fa0c01 [2023-12-02 13:35:31,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:35:31,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:35:31,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:35:31,314 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:35:31,314 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:35:31,315 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.01.cil-1.c [2023-12-02 13:35:34,051 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:35:34,282 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:35:34,283 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.01.cil-1.c [2023-12-02 13:35:34,296 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/data/c07ab7b9d/f19e865ee5ff460f9aac153e70edea0c/FLAG8ec3ac3f5 [2023-12-02 13:35:34,311 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/data/c07ab7b9d/f19e865ee5ff460f9aac153e70edea0c [2023-12-02 13:35:34,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:35:34,315 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:35:34,316 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:35:34,316 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:35:34,321 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:35:34,321 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:35:34" (1/1) ... [2023-12-02 13:35:34,322 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32567cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:34, skipping insertion in model container [2023-12-02 13:35:34,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:35:34" (1/1) ... [2023-12-02 13:35:34,365 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:35:34,503 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.01.cil-1.c[914,927] [2023-12-02 13:35:34,549 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.01.cil-1.c[7115,7128] [2023-12-02 13:35:34,578 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:35:34,589 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:35:34,602 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.01.cil-1.c[914,927] [2023-12-02 13:35:34,623 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.01.cil-1.c[7115,7128] [2023-12-02 13:35:34,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:35:34,661 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:35:34,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:34 WrapperNode [2023-12-02 13:35:34,662 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:35:34,663 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:35:34,663 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:35:34,663 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:35:34,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:34" (1/1) ... [2023-12-02 13:35:34,680 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:34" (1/1) ... [2023-12-02 13:35:34,714 INFO L138 Inliner]: procedures = 55, calls = 60, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 410 [2023-12-02 13:35:34,715 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:35:34,716 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:35:34,716 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:35:34,716 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:35:34,724 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:34" (1/1) ... [2023-12-02 13:35:34,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:34" (1/1) ... [2023-12-02 13:35:34,728 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:34" (1/1) ... [2023-12-02 13:35:34,728 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:34" (1/1) ... [2023-12-02 13:35:34,735 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:34" (1/1) ... [2023-12-02 13:35:34,743 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:34" (1/1) ... [2023-12-02 13:35:34,746 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:34" (1/1) ... [2023-12-02 13:35:34,748 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:34" (1/1) ... [2023-12-02 13:35:34,752 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:35:34,753 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:35:34,754 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:35:34,754 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:35:34,755 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:34" (1/1) ... [2023-12-02 13:35:34,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:35:34,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:35:34,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:35:34,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:35:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:35:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-12-02 13:35:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-12-02 13:35:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2023-12-02 13:35:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2023-12-02 13:35:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2023-12-02 13:35:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2023-12-02 13:35:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2023-12-02 13:35:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2023-12-02 13:35:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2023-12-02 13:35:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2023-12-02 13:35:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2023-12-02 13:35:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2023-12-02 13:35:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2023-12-02 13:35:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2023-12-02 13:35:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2023-12-02 13:35:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2023-12-02 13:35:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2023-12-02 13:35:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2023-12-02 13:35:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2023-12-02 13:35:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2023-12-02 13:35:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2023-12-02 13:35:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2023-12-02 13:35:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:35:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2023-12-02 13:35:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2023-12-02 13:35:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2023-12-02 13:35:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2023-12-02 13:35:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:35:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:35:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2023-12-02 13:35:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2023-12-02 13:35:34,903 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:35:34,906 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:35:35,319 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:35:35,451 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:35:35,451 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-12-02 13:35:35,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:35:35 BoogieIcfgContainer [2023-12-02 13:35:35,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:35:35,455 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:35:35,455 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:35:35,457 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:35:35,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:35:34" (1/3) ... [2023-12-02 13:35:35,458 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@118089f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:35:35, skipping insertion in model container [2023-12-02 13:35:35,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:34" (2/3) ... [2023-12-02 13:35:35,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@118089f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:35:35, skipping insertion in model container [2023-12-02 13:35:35,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:35:35" (3/3) ... [2023-12-02 13:35:35,460 INFO L112 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-1+token_ring.01.cil-1.c [2023-12-02 13:35:35,475 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:35:35,475 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-02 13:35:35,519 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:35:35,524 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5fe1b5b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:35:35,525 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-02 13:35:35,528 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 101 states have internal predecessors, (139), 29 states have call successors, (29), 14 states have call predecessors, (29), 14 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-02 13:35:35,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 13:35:35,536 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:35:35,537 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:35:35,537 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:35:35,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:35:35,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1330496778, now seen corresponding path program 1 times [2023-12-02 13:35:35,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:35:35,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393049332] [2023-12-02 13:35:35,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:35:35,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:35:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:35:35,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:35:35,843 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:35:35,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393049332] [2023-12-02 13:35:35,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393049332] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:35:35,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:35:35,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:35:35,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16495067] [2023-12-02 13:35:35,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:35:35,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:35:35,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:35:35,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:35:35,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:35:35,877 INFO L87 Difference]: Start difference. First operand has 141 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 101 states have internal predecessors, (139), 29 states have call successors, (29), 14 states have call predecessors, (29), 14 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-02 13:35:36,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:35:36,468 INFO L93 Difference]: Finished difference Result 503 states and 720 transitions. [2023-12-02 13:35:36,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:35:36,470 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 34 [2023-12-02 13:35:36,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:35:36,485 INFO L225 Difference]: With dead ends: 503 [2023-12-02 13:35:36,486 INFO L226 Difference]: Without dead ends: 357 [2023-12-02 13:35:36,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-02 13:35:36,494 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 442 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:35:36,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 448 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 13:35:36,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2023-12-02 13:35:36,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 346. [2023-12-02 13:35:36,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 237 states have (on average 1.3122362869198312) internal successors, (311), 244 states have internal predecessors, (311), 70 states have call successors, (70), 38 states have call predecessors, (70), 37 states have return successors, (86), 65 states have call predecessors, (86), 68 states have call successors, (86) [2023-12-02 13:35:36,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 467 transitions. [2023-12-02 13:35:36,594 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 467 transitions. Word has length 34 [2023-12-02 13:35:36,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:35:36,595 INFO L495 AbstractCegarLoop]: Abstraction has 346 states and 467 transitions. [2023-12-02 13:35:36,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-02 13:35:36,596 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 467 transitions. [2023-12-02 13:35:36,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 13:35:36,599 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:35:36,599 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:35:36,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 13:35:36,600 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:35:36,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:35:36,601 INFO L85 PathProgramCache]: Analyzing trace with hash -2143420070, now seen corresponding path program 1 times [2023-12-02 13:35:36,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:35:36,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837008249] [2023-12-02 13:35:36,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:35:36,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:35:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:35:36,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:35:36,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:35:36,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837008249] [2023-12-02 13:35:36,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837008249] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:35:36,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:35:36,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:35:36,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853449652] [2023-12-02 13:35:36,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:35:36,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:35:36,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:35:36,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:35:36,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:35:36,716 INFO L87 Difference]: Start difference. First operand 346 states and 467 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2023-12-02 13:35:36,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:35:36,950 INFO L93 Difference]: Finished difference Result 470 states and 629 transitions. [2023-12-02 13:35:36,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:35:36,951 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 45 [2023-12-02 13:35:36,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:35:36,956 INFO L225 Difference]: With dead ends: 470 [2023-12-02 13:35:36,956 INFO L226 Difference]: Without dead ends: 406 [2023-12-02 13:35:36,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:35:36,959 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 237 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:35:36,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 338 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 13:35:36,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2023-12-02 13:35:37,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 399. [2023-12-02 13:35:37,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 275 states have (on average 1.3018181818181818) internal successors, (358), 282 states have internal predecessors, (358), 78 states have call successors, (78), 45 states have call predecessors, (78), 44 states have return successors, (94), 73 states have call predecessors, (94), 76 states have call successors, (94) [2023-12-02 13:35:37,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 530 transitions. [2023-12-02 13:35:37,015 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 530 transitions. Word has length 45 [2023-12-02 13:35:37,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:35:37,015 INFO L495 AbstractCegarLoop]: Abstraction has 399 states and 530 transitions. [2023-12-02 13:35:37,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2023-12-02 13:35:37,015 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 530 transitions. [2023-12-02 13:35:37,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 13:35:37,018 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:35:37,018 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:35:37,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 13:35:37,019 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:35:37,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:35:37,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1224445447, now seen corresponding path program 1 times [2023-12-02 13:35:37,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:35:37,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653428428] [2023-12-02 13:35:37,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:35:37,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:35:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:35:37,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:35:37,141 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:35:37,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653428428] [2023-12-02 13:35:37,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653428428] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:35:37,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:35:37,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 13:35:37,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626693085] [2023-12-02 13:35:37,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:35:37,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:35:37,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:35:37,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:35:37,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:35:37,144 INFO L87 Difference]: Start difference. First operand 399 states and 530 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-12-02 13:35:37,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:35:37,702 INFO L93 Difference]: Finished difference Result 801 states and 1033 transitions. [2023-12-02 13:35:37,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 13:35:37,703 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 45 [2023-12-02 13:35:37,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:35:37,709 INFO L225 Difference]: With dead ends: 801 [2023-12-02 13:35:37,710 INFO L226 Difference]: Without dead ends: 669 [2023-12-02 13:35:37,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-12-02 13:35:37,712 INFO L413 NwaCegarLoop]: 266 mSDtfsCounter, 560 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:35:37,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [564 Valid, 652 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 13:35:37,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2023-12-02 13:35:37,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 585. [2023-12-02 13:35:37,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 407 states have (on average 1.2727272727272727) internal successors, (518), 415 states have internal predecessors, (518), 105 states have call successors, (105), 68 states have call predecessors, (105), 71 states have return successors, (125), 103 states have call predecessors, (125), 103 states have call successors, (125) [2023-12-02 13:35:37,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 748 transitions. [2023-12-02 13:35:37,782 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 748 transitions. Word has length 45 [2023-12-02 13:35:37,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:35:37,782 INFO L495 AbstractCegarLoop]: Abstraction has 585 states and 748 transitions. [2023-12-02 13:35:37,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-12-02 13:35:37,783 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 748 transitions. [2023-12-02 13:35:37,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 13:35:37,785 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:35:37,785 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:35:37,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 13:35:37,785 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:35:37,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:35:37,786 INFO L85 PathProgramCache]: Analyzing trace with hash -268328325, now seen corresponding path program 1 times [2023-12-02 13:35:37,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:35:37,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393167068] [2023-12-02 13:35:37,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:35:37,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:35:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:35:37,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:35:37,996 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:35:37,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393167068] [2023-12-02 13:35:37,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393167068] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:35:37,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:35:37,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-02 13:35:37,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385598293] [2023-12-02 13:35:37,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:35:37,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 13:35:37,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:35:37,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 13:35:37,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-02 13:35:37,998 INFO L87 Difference]: Start difference. First operand 585 states and 748 transitions. Second operand has 8 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 4 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) [2023-12-02 13:35:38,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:35:38,567 INFO L93 Difference]: Finished difference Result 1101 states and 1364 transitions. [2023-12-02 13:35:38,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 13:35:38,567 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 4 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) Word has length 46 [2023-12-02 13:35:38,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:35:38,572 INFO L225 Difference]: With dead ends: 1101 [2023-12-02 13:35:38,573 INFO L226 Difference]: Without dead ends: 799 [2023-12-02 13:35:38,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-12-02 13:35:38,576 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 283 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:35:38,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 547 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 13:35:38,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2023-12-02 13:35:38,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 764. [2023-12-02 13:35:38,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 764 states, 532 states have (on average 1.2593984962406015) internal successors, (670), 541 states have internal predecessors, (670), 132 states have call successors, (132), 91 states have call predecessors, (132), 98 states have return successors, (156), 133 states have call predecessors, (156), 130 states have call successors, (156) [2023-12-02 13:35:38,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 958 transitions. [2023-12-02 13:35:38,654 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 958 transitions. Word has length 46 [2023-12-02 13:35:38,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:35:38,655 INFO L495 AbstractCegarLoop]: Abstraction has 764 states and 958 transitions. [2023-12-02 13:35:38,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 4 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) [2023-12-02 13:35:38,656 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 958 transitions. [2023-12-02 13:35:38,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 13:35:38,657 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:35:38,658 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:35:38,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 13:35:38,658 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:35:38,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:35:38,659 INFO L85 PathProgramCache]: Analyzing trace with hash 955093814, now seen corresponding path program 1 times [2023-12-02 13:35:38,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:35:38,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799965071] [2023-12-02 13:35:38,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:35:38,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:35:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:35:38,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:35:38,706 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:35:38,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799965071] [2023-12-02 13:35:38,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799965071] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:35:38,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:35:38,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:35:38,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639152936] [2023-12-02 13:35:38,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:35:38,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:35:38,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:35:38,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:35:38,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:35:38,709 INFO L87 Difference]: Start difference. First operand 764 states and 958 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 13:35:38,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:35:38,843 INFO L93 Difference]: Finished difference Result 1328 states and 1628 transitions. [2023-12-02 13:35:38,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:35:38,844 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 47 [2023-12-02 13:35:38,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:35:38,850 INFO L225 Difference]: With dead ends: 1328 [2023-12-02 13:35:38,851 INFO L226 Difference]: Without dead ends: 896 [2023-12-02 13:35:38,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:35:38,854 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 67 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:35:38,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 287 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:35:38,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2023-12-02 13:35:38,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 791. [2023-12-02 13:35:38,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 555 states have (on average 1.2522522522522523) internal successors, (695), 564 states have internal predecessors, (695), 134 states have call successors, (134), 93 states have call predecessors, (134), 100 states have return successors, (158), 135 states have call predecessors, (158), 132 states have call successors, (158) [2023-12-02 13:35:38,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 987 transitions. [2023-12-02 13:35:38,955 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 987 transitions. Word has length 47 [2023-12-02 13:35:38,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:35:38,956 INFO L495 AbstractCegarLoop]: Abstraction has 791 states and 987 transitions. [2023-12-02 13:35:38,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 13:35:38,956 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 987 transitions. [2023-12-02 13:35:38,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 13:35:38,958 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:35:38,958 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:35:38,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 13:35:38,958 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:35:38,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:35:38,959 INFO L85 PathProgramCache]: Analyzing trace with hash -987515172, now seen corresponding path program 1 times [2023-12-02 13:35:38,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:35:38,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445530617] [2023-12-02 13:35:38,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:35:38,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:35:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:35:39,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 13:35:39,004 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:35:39,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445530617] [2023-12-02 13:35:39,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445530617] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:35:39,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:35:39,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:35:39,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184559427] [2023-12-02 13:35:39,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:35:39,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:35:39,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:35:39,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:35:39,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:35:39,006 INFO L87 Difference]: Start difference. First operand 791 states and 987 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 13:35:39,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:35:39,117 INFO L93 Difference]: Finished difference Result 981 states and 1208 transitions. [2023-12-02 13:35:39,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:35:39,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2023-12-02 13:35:39,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:35:39,122 INFO L225 Difference]: With dead ends: 981 [2023-12-02 13:35:39,123 INFO L226 Difference]: Without dead ends: 708 [2023-12-02 13:35:39,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:35:39,125 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 150 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:35:39,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 222 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 13:35:39,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2023-12-02 13:35:39,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 599. [2023-12-02 13:35:39,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 415 states have (on average 1.236144578313253) internal successors, (513), 422 states have internal predecessors, (513), 110 states have call successors, (110), 73 states have call predecessors, (110), 72 states have return successors, (126), 105 states have call predecessors, (126), 108 states have call successors, (126) [2023-12-02 13:35:39,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 749 transitions. [2023-12-02 13:35:39,215 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 749 transitions. Word has length 53 [2023-12-02 13:35:39,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:35:39,216 INFO L495 AbstractCegarLoop]: Abstraction has 599 states and 749 transitions. [2023-12-02 13:35:39,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 13:35:39,216 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 749 transitions. [2023-12-02 13:35:39,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 13:35:39,218 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:35:39,218 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:35:39,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 13:35:39,218 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:35:39,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:35:39,219 INFO L85 PathProgramCache]: Analyzing trace with hash 2142758425, now seen corresponding path program 1 times [2023-12-02 13:35:39,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:35:39,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167345907] [2023-12-02 13:35:39,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:35:39,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:35:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:35:39,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:35:39,302 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:35:39,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167345907] [2023-12-02 13:35:39,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167345907] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:35:39,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:35:39,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:35:39,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555139032] [2023-12-02 13:35:39,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:35:39,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:35:39,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:35:39,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:35:39,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:35:39,305 INFO L87 Difference]: Start difference. First operand 599 states and 749 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-02 13:35:39,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:35:39,528 INFO L93 Difference]: Finished difference Result 702 states and 865 transitions. [2023-12-02 13:35:39,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:35:39,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 54 [2023-12-02 13:35:39,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:35:39,533 INFO L225 Difference]: With dead ends: 702 [2023-12-02 13:35:39,534 INFO L226 Difference]: Without dead ends: 699 [2023-12-02 13:35:39,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:35:39,535 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 281 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:35:39,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 193 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:35:39,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2023-12-02 13:35:39,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 598. [2023-12-02 13:35:39,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 415 states have (on average 1.2289156626506024) internal successors, (510), 421 states have internal predecessors, (510), 109 states have call successors, (109), 73 states have call predecessors, (109), 72 states have return successors, (126), 105 states have call predecessors, (126), 108 states have call successors, (126) [2023-12-02 13:35:39,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 745 transitions. [2023-12-02 13:35:39,604 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 745 transitions. Word has length 54 [2023-12-02 13:35:39,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:35:39,605 INFO L495 AbstractCegarLoop]: Abstraction has 598 states and 745 transitions. [2023-12-02 13:35:39,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-02 13:35:39,605 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 745 transitions. [2023-12-02 13:35:39,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 13:35:39,607 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:35:39,607 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:35:39,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 13:35:39,607 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:35:39,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:35:39,608 INFO L85 PathProgramCache]: Analyzing trace with hash 2000373151, now seen corresponding path program 1 times [2023-12-02 13:35:39,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:35:39,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123133466] [2023-12-02 13:35:39,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:35:39,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:35:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:35:39,712 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:35:39,712 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:35:39,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123133466] [2023-12-02 13:35:39,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123133466] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:35:39,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892298460] [2023-12-02 13:35:39,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:35:39,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:35:39,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:35:39,718 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:35:39,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 13:35:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:35:39,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 13:35:39,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:35:40,056 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:35:40,057 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:35:40,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 13:35:40,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1892298460] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:35:40,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1586398900] [2023-12-02 13:35:40,160 INFO L159 IcfgInterpreter]: Started Sifa with 54 locations of interest [2023-12-02 13:35:40,160 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:35:40,163 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:35:40,168 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:35:40,168 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:35:42,165 INFO L197 IcfgInterpreter]: Interpreting procedure reset_delta_events1 with input of size 101 for LOIs [2023-12-02 13:35:42,198 INFO L197 IcfgInterpreter]: Interpreting procedure exists_runnable_thread1 with input of size 97 for LOIs [2023-12-02 13:35:42,227 INFO L197 IcfgInterpreter]: Interpreting procedure activate_threads1 with input of size 105 for LOIs [2023-12-02 13:35:42,735 INFO L197 IcfgInterpreter]: Interpreting procedure is_do_write_p_triggered with input of size 101 for LOIs [2023-12-02 13:35:42,841 INFO L197 IcfgInterpreter]: Interpreting procedure is_do_read_c_triggered with input of size 101 for LOIs [2023-12-02 13:35:42,934 INFO L197 IcfgInterpreter]: Interpreting procedure fire_delta_events1 with input of size 101 for LOIs [2023-12-02 13:35:42,973 INFO L197 IcfgInterpreter]: Interpreting procedure update_channels1 with input of size 108 for LOIs [2023-12-02 13:35:43,018 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:35:49,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1586398900] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:35:49,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-12-02 13:35:49,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [5, 5, 4] total 41 [2023-12-02 13:35:49,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166361988] [2023-12-02 13:35:49,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:35:49,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-12-02 13:35:49,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:35:49,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-12-02 13:35:49,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=1447, Unknown=0, NotChecked=0, Total=1640 [2023-12-02 13:35:49,743 INFO L87 Difference]: Start difference. First operand 598 states and 745 transitions. Second operand has 36 states, 26 states have (on average 1.5) internal successors, (39), 26 states have internal predecessors, (39), 8 states have call successors, (8), 7 states have call predecessors, (8), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-02 13:36:00,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:36:00,866 INFO L93 Difference]: Finished difference Result 962 states and 1156 transitions. [2023-12-02 13:36:00,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-02 13:36:00,867 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 26 states have (on average 1.5) internal successors, (39), 26 states have internal predecessors, (39), 8 states have call successors, (8), 7 states have call predecessors, (8), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Word has length 55 [2023-12-02 13:36:00,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:36:00,872 INFO L225 Difference]: With dead ends: 962 [2023-12-02 13:36:00,872 INFO L226 Difference]: Without dead ends: 647 [2023-12-02 13:36:00,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 126 SyntacticMatches, 3 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1430 ImplicationChecksByTransitivity, 14.0s TimeCoverageRelationStatistics Valid=601, Invalid=4091, Unknown=0, NotChecked=0, Total=4692 [2023-12-02 13:36:00,875 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 133 mSDsluCounter, 1290 mSDsCounter, 0 mSdLazyCounter, 2597 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 1412 SdHoareTripleChecker+Invalid, 2725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 2597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:36:00,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 1412 Invalid, 2725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 2597 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-12-02 13:36:00,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2023-12-02 13:36:00,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 632. [2023-12-02 13:36:00,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 441 states have (on average 1.219954648526077) internal successors, (538), 447 states have internal predecessors, (538), 111 states have call successors, (111), 79 states have call predecessors, (111), 78 states have return successors, (128), 107 states have call predecessors, (128), 110 states have call successors, (128) [2023-12-02 13:36:00,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 777 transitions. [2023-12-02 13:36:00,940 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 777 transitions. Word has length 55 [2023-12-02 13:36:00,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:36:00,941 INFO L495 AbstractCegarLoop]: Abstraction has 632 states and 777 transitions. [2023-12-02 13:36:00,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 26 states have (on average 1.5) internal successors, (39), 26 states have internal predecessors, (39), 8 states have call successors, (8), 7 states have call predecessors, (8), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-02 13:36:00,941 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 777 transitions. [2023-12-02 13:36:00,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 13:36:00,943 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:36:00,943 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:36:00,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 13:36:01,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:36:01,144 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:36:01,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:36:01,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1020053586, now seen corresponding path program 1 times [2023-12-02 13:36:01,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:36:01,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130566207] [2023-12-02 13:36:01,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:01,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:36:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:01,368 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 13:36:01,368 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:36:01,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130566207] [2023-12-02 13:36:01,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130566207] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:36:01,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:36:01,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 13:36:01,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439011449] [2023-12-02 13:36:01,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:36:01,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:36:01,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:36:01,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:36:01,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:36:01,371 INFO L87 Difference]: Start difference. First operand 632 states and 777 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-12-02 13:36:01,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:36:01,792 INFO L93 Difference]: Finished difference Result 1064 states and 1369 transitions. [2023-12-02 13:36:01,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 13:36:01,793 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 60 [2023-12-02 13:36:01,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:36:01,798 INFO L225 Difference]: With dead ends: 1064 [2023-12-02 13:36:01,799 INFO L226 Difference]: Without dead ends: 793 [2023-12-02 13:36:01,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-12-02 13:36:01,801 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 250 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:36:01,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 411 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 13:36:01,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2023-12-02 13:36:01,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 781. [2023-12-02 13:36:01,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 781 states, 542 states have (on average 1.2195571955719557) internal successors, (661), 550 states have internal predecessors, (661), 141 states have call successors, (141), 97 states have call predecessors, (141), 96 states have return successors, (170), 135 states have call predecessors, (170), 140 states have call successors, (170) [2023-12-02 13:36:01,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 972 transitions. [2023-12-02 13:36:01,925 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 972 transitions. Word has length 60 [2023-12-02 13:36:01,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:36:01,925 INFO L495 AbstractCegarLoop]: Abstraction has 781 states and 972 transitions. [2023-12-02 13:36:01,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 4 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-12-02 13:36:01,925 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 972 transitions. [2023-12-02 13:36:01,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 13:36:01,927 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:36:01,927 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:36:01,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-02 13:36:01,927 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:36:01,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:36:01,928 INFO L85 PathProgramCache]: Analyzing trace with hash 521170765, now seen corresponding path program 1 times [2023-12-02 13:36:01,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:36:01,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269064756] [2023-12-02 13:36:01,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:01,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:36:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:01,977 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 13:36:01,977 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:36:01,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269064756] [2023-12-02 13:36:01,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269064756] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:36:01,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:36:01,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:36:01,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033012374] [2023-12-02 13:36:01,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:36:01,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:36:01,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:36:01,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:36:01,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:36:01,979 INFO L87 Difference]: Start difference. First operand 781 states and 972 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-02 13:36:02,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:36:02,158 INFO L93 Difference]: Finished difference Result 1062 states and 1294 transitions. [2023-12-02 13:36:02,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:36:02,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 61 [2023-12-02 13:36:02,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:36:02,164 INFO L225 Difference]: With dead ends: 1062 [2023-12-02 13:36:02,165 INFO L226 Difference]: Without dead ends: 893 [2023-12-02 13:36:02,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:36:02,166 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 42 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:36:02,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 333 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:36:02,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2023-12-02 13:36:02,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 816. [2023-12-02 13:36:02,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 816 states, 571 states have (on average 1.2206654991243433) internal successors, (697), 579 states have internal predecessors, (697), 144 states have call successors, (144), 100 states have call predecessors, (144), 99 states have return successors, (173), 138 states have call predecessors, (173), 143 states have call successors, (173) [2023-12-02 13:36:02,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1014 transitions. [2023-12-02 13:36:02,296 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 1014 transitions. Word has length 61 [2023-12-02 13:36:02,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:36:02,296 INFO L495 AbstractCegarLoop]: Abstraction has 816 states and 1014 transitions. [2023-12-02 13:36:02,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-02 13:36:02,297 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1014 transitions. [2023-12-02 13:36:02,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 13:36:02,299 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:36:02,299 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:36:02,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-02 13:36:02,299 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:36:02,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:36:02,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1898960269, now seen corresponding path program 1 times [2023-12-02 13:36:02,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:36:02,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451438278] [2023-12-02 13:36:02,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:02,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:36:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:02,373 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 13:36:02,374 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:36:02,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451438278] [2023-12-02 13:36:02,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451438278] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:36:02,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:36:02,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:36:02,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913666237] [2023-12-02 13:36:02,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:36:02,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:36:02,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:36:02,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:36:02,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:36:02,376 INFO L87 Difference]: Start difference. First operand 816 states and 1014 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-02 13:36:02,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:36:02,548 INFO L93 Difference]: Finished difference Result 1276 states and 1639 transitions. [2023-12-02 13:36:02,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:36:02,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 62 [2023-12-02 13:36:02,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:36:02,556 INFO L225 Difference]: With dead ends: 1276 [2023-12-02 13:36:02,556 INFO L226 Difference]: Without dead ends: 909 [2023-12-02 13:36:02,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:36:02,559 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 28 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:36:02,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 325 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 13:36:02,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2023-12-02 13:36:02,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 853. [2023-12-02 13:36:02,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 602 states have (on average 1.2259136212624584) internal successors, (738), 610 states have internal predecessors, (738), 147 states have call successors, (147), 103 states have call predecessors, (147), 102 states have return successors, (176), 141 states have call predecessors, (176), 146 states have call successors, (176) [2023-12-02 13:36:02,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1061 transitions. [2023-12-02 13:36:02,690 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1061 transitions. Word has length 62 [2023-12-02 13:36:02,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:36:02,691 INFO L495 AbstractCegarLoop]: Abstraction has 853 states and 1061 transitions. [2023-12-02 13:36:02,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-02 13:36:02,691 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1061 transitions. [2023-12-02 13:36:02,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 13:36:02,693 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:36:02,693 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:36:02,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-02 13:36:02,693 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:36:02,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:36:02,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1344549033, now seen corresponding path program 1 times [2023-12-02 13:36:02,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:36:02,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790091103] [2023-12-02 13:36:02,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:02,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:36:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:02,838 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 13:36:02,839 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:36:02,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790091103] [2023-12-02 13:36:02,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790091103] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:36:02,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:36:02,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-02 13:36:02,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664417747] [2023-12-02 13:36:02,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:36:02,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 13:36:02,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:36:02,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 13:36:02,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-02 13:36:02,841 INFO L87 Difference]: Start difference. First operand 853 states and 1061 transitions. Second operand has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 4 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-12-02 13:36:03,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:36:03,410 INFO L93 Difference]: Finished difference Result 1316 states and 1587 transitions. [2023-12-02 13:36:03,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 13:36:03,410 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 4 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 63 [2023-12-02 13:36:03,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:36:03,417 INFO L225 Difference]: With dead ends: 1316 [2023-12-02 13:36:03,417 INFO L226 Difference]: Without dead ends: 1013 [2023-12-02 13:36:03,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-12-02 13:36:03,419 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 267 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:36:03,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 436 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 13:36:03,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2023-12-02 13:36:03,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 992. [2023-12-02 13:36:03,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 696 states have (on average 1.2083333333333333) internal successors, (841), 704 states have internal predecessors, (841), 171 states have call successors, (171), 124 states have call predecessors, (171), 123 states have return successors, (200), 165 states have call predecessors, (200), 170 states have call successors, (200) [2023-12-02 13:36:03,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1212 transitions. [2023-12-02 13:36:03,577 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1212 transitions. Word has length 63 [2023-12-02 13:36:03,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:36:03,577 INFO L495 AbstractCegarLoop]: Abstraction has 992 states and 1212 transitions. [2023-12-02 13:36:03,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 4 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-12-02 13:36:03,577 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1212 transitions. [2023-12-02 13:36:03,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 13:36:03,579 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:36:03,579 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:36:03,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-02 13:36:03,579 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:36:03,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:36:03,580 INFO L85 PathProgramCache]: Analyzing trace with hash 2136352107, now seen corresponding path program 1 times [2023-12-02 13:36:03,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:36:03,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835023466] [2023-12-02 13:36:03,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:03,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:36:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:03,689 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 13:36:03,690 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:36:03,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835023466] [2023-12-02 13:36:03,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835023466] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:36:03,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498548899] [2023-12-02 13:36:03,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:03,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:36:03,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:36:03,691 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:36:03,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 13:36:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:03,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 13:36:03,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:36:03,974 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 13:36:03,974 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:36:04,043 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 13:36:04,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498548899] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:36:04,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1217231487] [2023-12-02 13:36:04,046 INFO L159 IcfgInterpreter]: Started Sifa with 54 locations of interest [2023-12-02 13:36:04,046 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:36:04,046 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:36:04,047 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:36:04,047 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:36:06,464 INFO L197 IcfgInterpreter]: Interpreting procedure reset_delta_events1 with input of size 101 for LOIs [2023-12-02 13:36:06,491 INFO L197 IcfgInterpreter]: Interpreting procedure error1 with input of size 59 for LOIs [2023-12-02 13:36:06,504 INFO L197 IcfgInterpreter]: Interpreting procedure exists_runnable_thread1 with input of size 7 for LOIs [2023-12-02 13:36:06,507 INFO L197 IcfgInterpreter]: Interpreting procedure activate_threads1 with input of size 105 for LOIs [2023-12-02 13:36:06,894 INFO L197 IcfgInterpreter]: Interpreting procedure is_do_write_p_triggered with input of size 101 for LOIs [2023-12-02 13:36:06,960 INFO L197 IcfgInterpreter]: Interpreting procedure is_do_read_c_triggered with input of size 101 for LOIs [2023-12-02 13:36:07,033 INFO L197 IcfgInterpreter]: Interpreting procedure fire_delta_events1 with input of size 101 for LOIs [2023-12-02 13:36:07,060 INFO L197 IcfgInterpreter]: Interpreting procedure update_channels1 with input of size 108 for LOIs [2023-12-02 13:36:07,090 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:36:12,256 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '27732#(and (= ~q_req_up~0 1) (= ~q_free~0 1) (exists ((v_~q_free~0_44 Int) (|v_ULTIMATE.start_eval1_~tmp___1~0#1_BEFORE_CALL_1| Int)) (and (<= v_~q_free~0_44 1) (not (= ~p_dw_st~0 0)) (<= 0 ~p_dw_pc~0) (= |v_ULTIMATE.start_eval1_~tmp___1~0#1_BEFORE_CALL_1| 1) (not (= v_~q_free~0_44 1)))) (not (= ~c_num_read~0 ~p_num_write~0)) (exists ((|v_ULTIMATE.start_eval1_~tmp___0~2#1_BEFORE_CALL_3| Int)) (and (<= |v_ULTIMATE.start_eval1_~tmp___0~2#1_BEFORE_CALL_3| 2147483647) (<= 0 (+ |v_ULTIMATE.start_eval1_~tmp___0~2#1_BEFORE_CALL_3| 2147483648)) (not (= |v_ULTIMATE.start_eval1_~tmp___0~2#1_BEFORE_CALL_3| 0)))) (= ~c_last_read~0 ~q_buf_0~0) (= ~c_dr_pc~0 0) (= ~c_last_read~0 ~p_last_write~0) (= ~c_dr_st~0 1))' at error location [2023-12-02 13:36:12,256 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 13:36:12,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 13:36:12,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 4] total 7 [2023-12-02 13:36:12,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135810694] [2023-12-02 13:36:12,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 13:36:12,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 13:36:12,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:36:12,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 13:36:12,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=1902, Unknown=0, NotChecked=0, Total=2162 [2023-12-02 13:36:12,259 INFO L87 Difference]: Start difference. First operand 992 states and 1212 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 6 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) [2023-12-02 13:36:12,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:36:12,776 INFO L93 Difference]: Finished difference Result 2086 states and 2453 transitions. [2023-12-02 13:36:12,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 13:36:12,777 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 6 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) Word has length 64 [2023-12-02 13:36:12,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:36:12,786 INFO L225 Difference]: With dead ends: 2086 [2023-12-02 13:36:12,786 INFO L226 Difference]: Without dead ends: 2083 [2023-12-02 13:36:12,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 835 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=260, Invalid=1902, Unknown=0, NotChecked=0, Total=2162 [2023-12-02 13:36:12,788 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 412 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:36:12,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 609 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 13:36:12,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2083 states. [2023-12-02 13:36:13,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2083 to 1506. [2023-12-02 13:36:13,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1506 states, 1052 states have (on average 1.1977186311787071) internal successors, (1260), 1060 states have internal predecessors, (1260), 255 states have call successors, (255), 198 states have call predecessors, (255), 197 states have return successors, (284), 249 states have call predecessors, (284), 254 states have call successors, (284) [2023-12-02 13:36:13,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1506 states and 1799 transitions. [2023-12-02 13:36:13,053 INFO L78 Accepts]: Start accepts. Automaton has 1506 states and 1799 transitions. Word has length 64 [2023-12-02 13:36:13,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:36:13,054 INFO L495 AbstractCegarLoop]: Abstraction has 1506 states and 1799 transitions. [2023-12-02 13:36:13,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 6 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) [2023-12-02 13:36:13,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states and 1799 transitions. [2023-12-02 13:36:13,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 13:36:13,056 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:36:13,056 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:36:13,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 13:36:13,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:36:13,257 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:36:13,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:36:13,258 INFO L85 PathProgramCache]: Analyzing trace with hash 604635697, now seen corresponding path program 2 times [2023-12-02 13:36:13,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:36:13,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193682188] [2023-12-02 13:36:13,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:13,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:36:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:13,292 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 13:36:13,292 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:36:13,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193682188] [2023-12-02 13:36:13,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193682188] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:36:13,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:36:13,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:36:13,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616586347] [2023-12-02 13:36:13,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:36:13,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:36:13,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:36:13,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:36:13,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:36:13,295 INFO L87 Difference]: Start difference. First operand 1506 states and 1799 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-02 13:36:13,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:36:13,563 INFO L93 Difference]: Finished difference Result 2258 states and 2655 transitions. [2023-12-02 13:36:13,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:36:13,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 67 [2023-12-02 13:36:13,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:36:13,570 INFO L225 Difference]: With dead ends: 2258 [2023-12-02 13:36:13,570 INFO L226 Difference]: Without dead ends: 1502 [2023-12-02 13:36:13,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:36:13,573 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 153 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:36:13,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 258 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:36:13,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1502 states. [2023-12-02 13:36:13,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1502 to 1491. [2023-12-02 13:36:13,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1491 states, 1037 states have (on average 1.1861137897782064) internal successors, (1230), 1045 states have internal predecessors, (1230), 255 states have call successors, (255), 198 states have call predecessors, (255), 197 states have return successors, (284), 249 states have call predecessors, (284), 254 states have call successors, (284) [2023-12-02 13:36:13,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 1769 transitions. [2023-12-02 13:36:13,737 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 1769 transitions. Word has length 67 [2023-12-02 13:36:13,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:36:13,737 INFO L495 AbstractCegarLoop]: Abstraction has 1491 states and 1769 transitions. [2023-12-02 13:36:13,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-02 13:36:13,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 1769 transitions. [2023-12-02 13:36:13,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 13:36:13,739 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:36:13,739 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:36:13,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-02 13:36:13,739 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:36:13,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:36:13,740 INFO L85 PathProgramCache]: Analyzing trace with hash -140671307, now seen corresponding path program 1 times [2023-12-02 13:36:13,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:36:13,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522859329] [2023-12-02 13:36:13,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:13,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:36:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:13,779 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 13:36:13,779 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:36:13,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522859329] [2023-12-02 13:36:13,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522859329] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:36:13,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:36:13,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:36:13,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345183536] [2023-12-02 13:36:13,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:36:13,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:36:13,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:36:13,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:36:13,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:36:13,781 INFO L87 Difference]: Start difference. First operand 1491 states and 1769 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-02 13:36:14,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:36:14,039 INFO L93 Difference]: Finished difference Result 2457 states and 2863 transitions. [2023-12-02 13:36:14,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:36:14,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2023-12-02 13:36:14,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:36:14,050 INFO L225 Difference]: With dead ends: 2457 [2023-12-02 13:36:14,050 INFO L226 Difference]: Without dead ends: 1667 [2023-12-02 13:36:14,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:36:14,053 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 37 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:36:14,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 324 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:36:14,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2023-12-02 13:36:14,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 1538. [2023-12-02 13:36:14,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1538 states, 1076 states have (on average 1.1858736059479553) internal successors, (1276), 1084 states have internal predecessors, (1276), 259 states have call successors, (259), 202 states have call predecessors, (259), 201 states have return successors, (288), 253 states have call predecessors, (288), 258 states have call successors, (288) [2023-12-02 13:36:14,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 1538 states and 1823 transitions. [2023-12-02 13:36:14,331 INFO L78 Accepts]: Start accepts. Automaton has 1538 states and 1823 transitions. Word has length 71 [2023-12-02 13:36:14,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:36:14,332 INFO L495 AbstractCegarLoop]: Abstraction has 1538 states and 1823 transitions. [2023-12-02 13:36:14,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-02 13:36:14,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 1823 transitions. [2023-12-02 13:36:14,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-02 13:36:14,335 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:36:14,335 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:36:14,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-02 13:36:14,335 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:36:14,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:36:14,335 INFO L85 PathProgramCache]: Analyzing trace with hash 2113461517, now seen corresponding path program 1 times [2023-12-02 13:36:14,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:36:14,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275631619] [2023-12-02 13:36:14,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:14,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:36:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:14,408 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-12-02 13:36:14,408 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:36:14,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275631619] [2023-12-02 13:36:14,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275631619] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:36:14,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132899330] [2023-12-02 13:36:14,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:14,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:36:14,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:36:14,410 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:36:14,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 13:36:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:14,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 13:36:14,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:36:14,561 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 13:36:14,561 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:36:14,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132899330] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:36:14,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:36:14,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-12-02 13:36:14,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333529434] [2023-12-02 13:36:14,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:36:14,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:36:14,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:36:14,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:36:14,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:36:14,564 INFO L87 Difference]: Start difference. First operand 1538 states and 1823 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-12-02 13:36:14,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:36:14,815 INFO L93 Difference]: Finished difference Result 1955 states and 2389 transitions. [2023-12-02 13:36:14,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:36:14,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 90 [2023-12-02 13:36:14,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:36:14,824 INFO L225 Difference]: With dead ends: 1955 [2023-12-02 13:36:14,825 INFO L226 Difference]: Without dead ends: 1617 [2023-12-02 13:36:14,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:36:14,827 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 145 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:36:14,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 167 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 13:36:14,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2023-12-02 13:36:15,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1602. [2023-12-02 13:36:15,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1602 states, 1131 states have (on average 1.1865605658709106) internal successors, (1342), 1138 states have internal predecessors, (1342), 259 states have call successors, (259), 210 states have call predecessors, (259), 210 states have return successors, (286), 255 states have call predecessors, (286), 258 states have call successors, (286) [2023-12-02 13:36:15,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1602 states and 1887 transitions. [2023-12-02 13:36:15,116 INFO L78 Accepts]: Start accepts. Automaton has 1602 states and 1887 transitions. Word has length 90 [2023-12-02 13:36:15,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:36:15,117 INFO L495 AbstractCegarLoop]: Abstraction has 1602 states and 1887 transitions. [2023-12-02 13:36:15,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-12-02 13:36:15,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 1887 transitions. [2023-12-02 13:36:15,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-02 13:36:15,120 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:36:15,120 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:36:15,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 13:36:15,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-12-02 13:36:15,321 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:36:15,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:36:15,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1139972558, now seen corresponding path program 1 times [2023-12-02 13:36:15,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:36:15,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459850195] [2023-12-02 13:36:15,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:15,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:36:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:15,396 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-12-02 13:36:15,396 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:36:15,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459850195] [2023-12-02 13:36:15,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459850195] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:36:15,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123270218] [2023-12-02 13:36:15,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:15,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:36:15,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:36:15,398 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:36:15,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 13:36:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:15,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 13:36:15,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:36:15,527 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 13:36:15,527 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:36:15,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1123270218] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:36:15,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:36:15,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-12-02 13:36:15,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813737314] [2023-12-02 13:36:15,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:36:15,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:36:15,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:36:15,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:36:15,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:36:15,530 INFO L87 Difference]: Start difference. First operand 1602 states and 1887 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-12-02 13:36:15,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:36:15,769 INFO L93 Difference]: Finished difference Result 2085 states and 2518 transitions. [2023-12-02 13:36:15,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:36:15,770 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 90 [2023-12-02 13:36:15,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:36:15,778 INFO L225 Difference]: With dead ends: 2085 [2023-12-02 13:36:15,778 INFO L226 Difference]: Without dead ends: 1700 [2023-12-02 13:36:15,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:36:15,781 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 37 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:36:15,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 326 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 13:36:15,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2023-12-02 13:36:16,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1630. [2023-12-02 13:36:16,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1630 states, 1153 states have (on average 1.189071986123157) internal successors, (1371), 1160 states have internal predecessors, (1371), 262 states have call successors, (262), 213 states have call predecessors, (262), 213 states have return successors, (289), 258 states have call predecessors, (289), 261 states have call successors, (289) [2023-12-02 13:36:16,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1630 states to 1630 states and 1922 transitions. [2023-12-02 13:36:16,139 INFO L78 Accepts]: Start accepts. Automaton has 1630 states and 1922 transitions. Word has length 90 [2023-12-02 13:36:16,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:36:16,140 INFO L495 AbstractCegarLoop]: Abstraction has 1630 states and 1922 transitions. [2023-12-02 13:36:16,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-12-02 13:36:16,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1630 states and 1922 transitions. [2023-12-02 13:36:16,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-02 13:36:16,144 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:36:16,144 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:36:16,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 13:36:16,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-12-02 13:36:16,347 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:36:16,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:36:16,347 INFO L85 PathProgramCache]: Analyzing trace with hash -835136081, now seen corresponding path program 2 times [2023-12-02 13:36:16,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:36:16,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888430915] [2023-12-02 13:36:16,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:16,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:36:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:16,525 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-12-02 13:36:16,525 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:36:16,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888430915] [2023-12-02 13:36:16,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888430915] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:36:16,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667833678] [2023-12-02 13:36:16,526 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 13:36:16,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:36:16,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:36:16,527 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:36:16,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 13:36:16,618 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-12-02 13:36:16,618 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 13:36:16,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 13:36:16,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:36:16,651 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 13:36:16,651 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:36:16,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667833678] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:36:16,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:36:16,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-12-02 13:36:16,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020832036] [2023-12-02 13:36:16,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:36:16,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:36:16,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:36:16,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:36:16,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-02 13:36:16,654 INFO L87 Difference]: Start difference. First operand 1630 states and 1922 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-12-02 13:36:16,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:36:16,952 INFO L93 Difference]: Finished difference Result 2155 states and 2642 transitions. [2023-12-02 13:36:16,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:36:16,953 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 90 [2023-12-02 13:36:16,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:36:16,962 INFO L225 Difference]: With dead ends: 2155 [2023-12-02 13:36:16,962 INFO L226 Difference]: Without dead ends: 1742 [2023-12-02 13:36:16,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-02 13:36:16,965 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 59 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:36:16,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 321 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:36:16,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2023-12-02 13:36:17,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1722. [2023-12-02 13:36:17,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1722 states, 1223 states have (on average 1.186426819296811) internal successors, (1451), 1231 states have internal predecessors, (1451), 275 states have call successors, (275), 223 states have call predecessors, (275), 222 states have return successors, (312), 269 states have call predecessors, (312), 274 states have call successors, (312) [2023-12-02 13:36:17,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1722 states and 2038 transitions. [2023-12-02 13:36:17,269 INFO L78 Accepts]: Start accepts. Automaton has 1722 states and 2038 transitions. Word has length 90 [2023-12-02 13:36:17,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:36:17,269 INFO L495 AbstractCegarLoop]: Abstraction has 1722 states and 2038 transitions. [2023-12-02 13:36:17,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-12-02 13:36:17,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1722 states and 2038 transitions. [2023-12-02 13:36:17,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-02 13:36:17,272 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:36:17,272 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:36:17,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-02 13:36:17,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-12-02 13:36:17,473 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:36:17,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:36:17,473 INFO L85 PathProgramCache]: Analyzing trace with hash 768810151, now seen corresponding path program 1 times [2023-12-02 13:36:17,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:36:17,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095992540] [2023-12-02 13:36:17,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:17,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:36:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:17,623 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 13:36:17,624 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:36:17,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095992540] [2023-12-02 13:36:17,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095992540] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:36:17,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450292943] [2023-12-02 13:36:17,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:17,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:36:17,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:36:17,625 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:36:17,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 13:36:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:17,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 13:36:17,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:36:17,760 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 13:36:17,761 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:36:17,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450292943] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:36:17,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:36:17,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-12-02 13:36:17,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987173633] [2023-12-02 13:36:17,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:36:17,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:36:17,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:36:17,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:36:17,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-02 13:36:17,763 INFO L87 Difference]: Start difference. First operand 1722 states and 2038 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-12-02 13:36:18,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:36:18,122 INFO L93 Difference]: Finished difference Result 2606 states and 3174 transitions. [2023-12-02 13:36:18,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:36:18,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 91 [2023-12-02 13:36:18,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:36:18,134 INFO L225 Difference]: With dead ends: 2606 [2023-12-02 13:36:18,134 INFO L226 Difference]: Without dead ends: 1965 [2023-12-02 13:36:18,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-02 13:36:18,137 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 34 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:36:18,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 298 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:36:18,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1965 states. [2023-12-02 13:36:18,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1965 to 1792. [2023-12-02 13:36:18,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1792 states, 1277 states have (on average 1.1895066562255285) internal successors, (1519), 1286 states have internal predecessors, (1519), 283 states have call successors, (283), 231 states have call predecessors, (283), 230 states have return successors, (320), 276 states have call predecessors, (320), 282 states have call successors, (320) [2023-12-02 13:36:18,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1792 states and 2122 transitions. [2023-12-02 13:36:18,437 INFO L78 Accepts]: Start accepts. Automaton has 1792 states and 2122 transitions. Word has length 91 [2023-12-02 13:36:18,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:36:18,438 INFO L495 AbstractCegarLoop]: Abstraction has 1792 states and 2122 transitions. [2023-12-02 13:36:18,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-12-02 13:36:18,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2122 transitions. [2023-12-02 13:36:18,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-02 13:36:18,441 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:36:18,442 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:36:18,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-02 13:36:18,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:36:18,642 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:36:18,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:36:18,643 INFO L85 PathProgramCache]: Analyzing trace with hash -589194120, now seen corresponding path program 1 times [2023-12-02 13:36:18,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:36:18,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953005601] [2023-12-02 13:36:18,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:18,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:36:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:18,734 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 13:36:18,734 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:36:18,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953005601] [2023-12-02 13:36:18,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953005601] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:36:18,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:36:18,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:36:18,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849187563] [2023-12-02 13:36:18,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:36:18,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:36:18,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:36:18,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:36:18,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:36:18,736 INFO L87 Difference]: Start difference. First operand 1792 states and 2122 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-12-02 13:36:19,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:36:19,225 INFO L93 Difference]: Finished difference Result 2810 states and 3396 transitions. [2023-12-02 13:36:19,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:36:19,226 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 93 [2023-12-02 13:36:19,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:36:19,237 INFO L225 Difference]: With dead ends: 2810 [2023-12-02 13:36:19,237 INFO L226 Difference]: Without dead ends: 2300 [2023-12-02 13:36:19,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:36:19,240 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 219 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:36:19,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 333 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 13:36:19,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2300 states. [2023-12-02 13:36:19,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2300 to 2262. [2023-12-02 13:36:19,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2262 states, 1617 states have (on average 1.1966604823747682) internal successors, (1935), 1623 states have internal predecessors, (1935), 361 states have call successors, (361), 283 states have call predecessors, (361), 282 states have return successors, (396), 357 states have call predecessors, (396), 360 states have call successors, (396) [2023-12-02 13:36:19,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 2262 states and 2692 transitions. [2023-12-02 13:36:19,558 INFO L78 Accepts]: Start accepts. Automaton has 2262 states and 2692 transitions. Word has length 93 [2023-12-02 13:36:19,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:36:19,559 INFO L495 AbstractCegarLoop]: Abstraction has 2262 states and 2692 transitions. [2023-12-02 13:36:19,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-12-02 13:36:19,559 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 2692 transitions. [2023-12-02 13:36:19,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-02 13:36:19,563 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:36:19,563 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:36:19,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-02 13:36:19,563 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:36:19,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:36:19,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1003181097, now seen corresponding path program 1 times [2023-12-02 13:36:19,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:36:19,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155351738] [2023-12-02 13:36:19,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:19,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:36:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:19,724 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 17 proven. 14 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-02 13:36:19,725 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:36:19,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155351738] [2023-12-02 13:36:19,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155351738] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:36:19,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799443883] [2023-12-02 13:36:19,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:19,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:36:19,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:36:19,726 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:36:19,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 13:36:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:19,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 13:36:19,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:36:19,907 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 50 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 13:36:19,908 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:36:20,016 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 13:36:20,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799443883] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:36:20,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [302184386] [2023-12-02 13:36:20,019 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2023-12-02 13:36:20,019 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:36:20,020 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:36:20,020 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:36:20,020 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:36:25,631 INFO L197 IcfgInterpreter]: Interpreting procedure reset_delta_events2 with input of size 58 for LOIs [2023-12-02 13:36:25,646 INFO L197 IcfgInterpreter]: Interpreting procedure exists_runnable_thread2 with input of size 73 for LOIs [2023-12-02 13:36:25,699 INFO L197 IcfgInterpreter]: Interpreting procedure update_channels2 with input of size 105 for LOIs [2023-12-02 13:36:25,775 INFO L197 IcfgInterpreter]: Interpreting procedure immediate_notify with input of size 90 for LOIs [2023-12-02 13:36:25,966 INFO L197 IcfgInterpreter]: Interpreting procedure activate_threads2 with input of size 58 for LOIs [2023-12-02 13:36:26,309 INFO L197 IcfgInterpreter]: Interpreting procedure fire_delta_events2 with input of size 118 for LOIs [2023-12-02 13:36:26,412 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:36:35,559 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '72599#(and (= ~p_dw_pc~0 0) (= ~c_dr_st~0 0) (= ~p_num_write~0 0) (<= 1 |#StackHeapBarrier|) (<= ~local~0 2147483647) (= ~c_num_read~0 0) (= ~q_buf_0~0 0) (= ~t1_pc~0 0) (= ~t1_i~0 1) (= ~p_last_write~0 0) (<= 0 (+ ~local~0 2147483648)) (<= 0 (+ |ULTIMATE.start_eval2_~tmp_ndt_1~0#1| 2147483648)) (= ~c_last_read~0 0) (= 0 ~c_dr_i~0) (= ~q_free~0 0) (<= |ULTIMATE.start_eval2_~tmp_ndt_1~0#1| 2147483647) (= ~q_req_up~0 0) (= ~q_ev~0 0) (= ~m_pc~0 1) (= ~p_dw_i~0 0) (= ~m_i~0 1) (= |ULTIMATE.start_start_simulation2_~kernel_st~1#1| 1) (= ~p_dw_st~0 0) (= ~q_write_ev~0 0) (= ~c_dr_pc~0 0) (= ~q_read_ev~0 0) (= ~m_st~0 1) (<= ~token~0 2147483647) (= ~a_t~0 0) (not (= (+ ~local~0 1) ~token~0)) (<= 0 (+ ~token~0 2147483648)) (= |ULTIMATE.start_eval2_~tmp~5#1| 1) (not (= |ULTIMATE.start_eval2_~tmp_ndt_1~0#1| 0)))' at error location [2023-12-02 13:36:35,559 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 13:36:35,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 13:36:35,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 6] total 16 [2023-12-02 13:36:35,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243567341] [2023-12-02 13:36:35,560 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 13:36:35,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-02 13:36:35,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:36:35,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-02 13:36:35,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=344, Invalid=2962, Unknown=0, NotChecked=0, Total=3306 [2023-12-02 13:36:35,562 INFO L87 Difference]: Start difference. First operand 2262 states and 2692 transitions. Second operand has 16 states, 13 states have (on average 7.615384615384615) internal successors, (99), 14 states have internal predecessors, (99), 7 states have call successors, (30), 4 states have call predecessors, (30), 7 states have return successors, (30), 6 states have call predecessors, (30), 7 states have call successors, (30) [2023-12-02 13:36:37,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:36:37,942 INFO L93 Difference]: Finished difference Result 4216 states and 5272 transitions. [2023-12-02 13:36:37,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2023-12-02 13:36:37,947 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 13 states have (on average 7.615384615384615) internal successors, (99), 14 states have internal predecessors, (99), 7 states have call successors, (30), 4 states have call predecessors, (30), 7 states have return successors, (30), 6 states have call predecessors, (30), 7 states have call successors, (30) Word has length 100 [2023-12-02 13:36:37,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:36:37,963 INFO L225 Difference]: With dead ends: 4216 [2023-12-02 13:36:37,963 INFO L226 Difference]: Without dead ends: 3028 [2023-12-02 13:36:37,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 293 SyntacticMatches, 9 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10600 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=2103, Invalid=22077, Unknown=0, NotChecked=0, Total=24180 [2023-12-02 13:36:37,978 INFO L413 NwaCegarLoop]: 309 mSDtfsCounter, 1142 mSDsluCounter, 1727 mSDsCounter, 0 mSdLazyCounter, 1348 mSolverCounterSat, 386 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1151 SdHoareTripleChecker+Valid, 2036 SdHoareTripleChecker+Invalid, 1734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 386 IncrementalHoareTripleChecker+Valid, 1348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:36:37,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1151 Valid, 2036 Invalid, 1734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [386 Valid, 1348 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-02 13:36:37,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3028 states. [2023-12-02 13:36:38,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3028 to 2030. [2023-12-02 13:36:38,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2030 states, 1453 states have (on average 1.1754989676531316) internal successors, (1708), 1460 states have internal predecessors, (1708), 315 states have call successors, (315), 261 states have call predecessors, (315), 260 states have return successors, (328), 310 states have call predecessors, (328), 314 states have call successors, (328) [2023-12-02 13:36:38,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2030 states to 2030 states and 2351 transitions. [2023-12-02 13:36:38,256 INFO L78 Accepts]: Start accepts. Automaton has 2030 states and 2351 transitions. Word has length 100 [2023-12-02 13:36:38,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:36:38,256 INFO L495 AbstractCegarLoop]: Abstraction has 2030 states and 2351 transitions. [2023-12-02 13:36:38,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 13 states have (on average 7.615384615384615) internal successors, (99), 14 states have internal predecessors, (99), 7 states have call successors, (30), 4 states have call predecessors, (30), 7 states have return successors, (30), 6 states have call predecessors, (30), 7 states have call successors, (30) [2023-12-02 13:36:38,257 INFO L276 IsEmpty]: Start isEmpty. Operand 2030 states and 2351 transitions. [2023-12-02 13:36:38,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-02 13:36:38,259 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:36:38,259 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:36:38,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-02 13:36:38,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:36:38,460 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:36:38,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:36:38,460 INFO L85 PathProgramCache]: Analyzing trace with hash 517356944, now seen corresponding path program 1 times [2023-12-02 13:36:38,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:36:38,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98404205] [2023-12-02 13:36:38,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:38,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:36:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:38,763 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 15 proven. 13 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-12-02 13:36:38,763 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:36:38,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98404205] [2023-12-02 13:36:38,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98404205] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:36:38,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070384561] [2023-12-02 13:36:38,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:38,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:36:38,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:36:38,765 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:36:38,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-02 13:36:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:38,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 13:36:38,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:36:38,919 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 13:36:38,919 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:36:38,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070384561] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:36:38,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:36:38,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [14] total 17 [2023-12-02 13:36:38,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696885569] [2023-12-02 13:36:38,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:36:38,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:36:38,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:36:38,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:36:38,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2023-12-02 13:36:38,922 INFO L87 Difference]: Start difference. First operand 2030 states and 2351 transitions. Second operand has 6 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-12-02 13:36:39,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:36:39,329 INFO L93 Difference]: Finished difference Result 2892 states and 3355 transitions. [2023-12-02 13:36:39,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 13:36:39,329 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 102 [2023-12-02 13:36:39,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:36:39,336 INFO L225 Difference]: With dead ends: 2892 [2023-12-02 13:36:39,336 INFO L226 Difference]: Without dead ends: 1845 [2023-12-02 13:36:39,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2023-12-02 13:36:39,338 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 146 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:36:39,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 709 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:36:39,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1845 states. [2023-12-02 13:36:39,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1845 to 1660. [2023-12-02 13:36:39,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1660 states, 1215 states have (on average 1.182716049382716) internal successors, (1437), 1222 states have internal predecessors, (1437), 244 states have call successors, (244), 200 states have call predecessors, (244), 199 states have return successors, (257), 239 states have call predecessors, (257), 243 states have call successors, (257) [2023-12-02 13:36:39,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1660 states and 1938 transitions. [2023-12-02 13:36:39,537 INFO L78 Accepts]: Start accepts. Automaton has 1660 states and 1938 transitions. Word has length 102 [2023-12-02 13:36:39,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:36:39,537 INFO L495 AbstractCegarLoop]: Abstraction has 1660 states and 1938 transitions. [2023-12-02 13:36:39,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-12-02 13:36:39,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states and 1938 transitions. [2023-12-02 13:36:39,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-02 13:36:39,540 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:36:39,540 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:36:39,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-12-02 13:36:39,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:36:39,741 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:36:39,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:36:39,742 INFO L85 PathProgramCache]: Analyzing trace with hash -190746785, now seen corresponding path program 1 times [2023-12-02 13:36:39,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:36:39,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569418622] [2023-12-02 13:36:39,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:39,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:36:39,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:40,239 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 19 proven. 21 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 13:36:40,239 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:36:40,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569418622] [2023-12-02 13:36:40,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569418622] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:36:40,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084960202] [2023-12-02 13:36:40,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:40,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:36:40,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:36:40,240 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:36:40,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-02 13:36:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:40,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 13:36:40,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:36:40,515 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 13:36:40,516 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:36:40,969 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-02 13:36:40,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084960202] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:36:40,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [258008069] [2023-12-02 13:36:40,972 INFO L159 IcfgInterpreter]: Started Sifa with 63 locations of interest [2023-12-02 13:36:40,973 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:36:40,973 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:36:40,973 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:36:40,973 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:36:46,590 INFO L197 IcfgInterpreter]: Interpreting procedure reset_delta_events2 with input of size 100 for LOIs [2023-12-02 13:36:46,629 INFO L197 IcfgInterpreter]: Interpreting procedure exists_runnable_thread2 with input of size 1 for LOIs [2023-12-02 13:36:46,632 INFO L197 IcfgInterpreter]: Interpreting procedure update_channels2 with input of size 1 for LOIs [2023-12-02 13:36:46,632 INFO L197 IcfgInterpreter]: Interpreting procedure immediate_notify with input of size 30 for LOIs [2023-12-02 13:36:46,661 INFO L197 IcfgInterpreter]: Interpreting procedure activate_threads2 with input of size 1 for LOIs [2023-12-02 13:36:46,688 INFO L197 IcfgInterpreter]: Interpreting procedure fire_delta_events2 with input of size 104 for LOIs [2023-12-02 13:36:46,730 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:36:51,772 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '88374#(and (<= 0 (+ |ULTIMATE.start_eval2_~tmp_ndt_1~0#1| 2147483648)) (<= |ULTIMATE.start_eval2_~tmp_ndt_1~0#1| 2147483647) (= ~m_pc~0 1) (<= 0 |ULTIMATE.start_eval2_~tmp~5#1|) (<= |ULTIMATE.start_eval2_~tmp~5#1| 1) (= ~m_st~0 1) (not (= (+ ~local~0 1) ~token~0)) (not (= |ULTIMATE.start_eval2_~tmp_ndt_1~0#1| 0)))' at error location [2023-12-02 13:36:51,772 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 13:36:51,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 13:36:51,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 9, 12] total 32 [2023-12-02 13:36:51,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032013499] [2023-12-02 13:36:51,773 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 13:36:51,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-12-02 13:36:51,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:36:51,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-12-02 13:36:51,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=434, Invalid=5116, Unknown=0, NotChecked=0, Total=5550 [2023-12-02 13:36:51,777 INFO L87 Difference]: Start difference. First operand 1660 states and 1938 transitions. Second operand has 32 states, 20 states have (on average 6.95) internal successors, (139), 25 states have internal predecessors, (139), 13 states have call successors, (39), 9 states have call predecessors, (39), 17 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) [2023-12-02 13:36:55,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:36:55,709 INFO L93 Difference]: Finished difference Result 2777 states and 3341 transitions. [2023-12-02 13:36:55,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-12-02 13:36:55,709 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 20 states have (on average 6.95) internal successors, (139), 25 states have internal predecessors, (139), 13 states have call successors, (39), 9 states have call predecessors, (39), 17 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) Word has length 103 [2023-12-02 13:36:55,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:36:55,716 INFO L225 Difference]: With dead ends: 2777 [2023-12-02 13:36:55,716 INFO L226 Difference]: Without dead ends: 2107 [2023-12-02 13:36:55,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8501 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=2915, Invalid=21891, Unknown=0, NotChecked=0, Total=24806 [2023-12-02 13:36:55,725 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 1860 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 1919 mSolverCounterSat, 1101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1868 SdHoareTripleChecker+Valid, 1175 SdHoareTripleChecker+Invalid, 3020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1101 IncrementalHoareTripleChecker+Valid, 1919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:36:55,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1868 Valid, 1175 Invalid, 3020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1101 Valid, 1919 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-02 13:36:55,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2107 states. [2023-12-02 13:36:55,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2107 to 1881. [2023-12-02 13:36:55,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1881 states, 1385 states have (on average 1.1776173285198557) internal successors, (1631), 1392 states have internal predecessors, (1631), 270 states have call successors, (270), 225 states have call predecessors, (270), 224 states have return successors, (285), 265 states have call predecessors, (285), 269 states have call successors, (285) [2023-12-02 13:36:55,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 2186 transitions. [2023-12-02 13:36:55,971 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 2186 transitions. Word has length 103 [2023-12-02 13:36:55,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:36:55,972 INFO L495 AbstractCegarLoop]: Abstraction has 1881 states and 2186 transitions. [2023-12-02 13:36:55,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 20 states have (on average 6.95) internal successors, (139), 25 states have internal predecessors, (139), 13 states have call successors, (39), 9 states have call predecessors, (39), 17 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) [2023-12-02 13:36:55,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2186 transitions. [2023-12-02 13:36:55,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-02 13:36:55,974 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:36:55,974 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:36:55,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-12-02 13:36:56,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-12-02 13:36:56,175 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:36:56,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:36:56,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1296013273, now seen corresponding path program 1 times [2023-12-02 13:36:56,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:36:56,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499435582] [2023-12-02 13:36:56,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:56,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:36:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:56,616 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 28 proven. 17 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 13:36:56,617 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:36:56,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499435582] [2023-12-02 13:36:56,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499435582] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:36:56,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953471103] [2023-12-02 13:36:56,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:56,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:36:56,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:36:56,618 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:36:56,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-02 13:36:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:56,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 13:36:56,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:36:56,798 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 13:36:56,798 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:36:56,926 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-02 13:36:56,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953471103] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 13:36:56,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 13:36:56,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [16, 6] total 22 [2023-12-02 13:36:56,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134340742] [2023-12-02 13:36:56,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:36:56,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:36:56,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:36:56,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:36:56,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=395, Unknown=0, NotChecked=0, Total=462 [2023-12-02 13:36:56,928 INFO L87 Difference]: Start difference. First operand 1881 states and 2186 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-02 13:36:57,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:36:57,475 INFO L93 Difference]: Finished difference Result 3023 states and 3545 transitions. [2023-12-02 13:36:57,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:36:57,476 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 104 [2023-12-02 13:36:57,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:36:57,481 INFO L225 Difference]: With dead ends: 3023 [2023-12-02 13:36:57,481 INFO L226 Difference]: Without dead ends: 1632 [2023-12-02 13:36:57,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=433, Unknown=0, NotChecked=0, Total=506 [2023-12-02 13:36:57,486 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 72 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:36:57,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 374 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 13:36:57,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2023-12-02 13:36:57,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1479. [2023-12-02 13:36:57,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1479 states, 1071 states have (on average 1.1465919701213818) internal successors, (1228), 1079 states have internal predecessors, (1228), 225 states have call successors, (225), 186 states have call predecessors, (225), 181 states have return successors, (234), 215 states have call predecessors, (234), 224 states have call successors, (234) [2023-12-02 13:36:57,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1479 states and 1687 transitions. [2023-12-02 13:36:57,702 INFO L78 Accepts]: Start accepts. Automaton has 1479 states and 1687 transitions. Word has length 104 [2023-12-02 13:36:57,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:36:57,703 INFO L495 AbstractCegarLoop]: Abstraction has 1479 states and 1687 transitions. [2023-12-02 13:36:57,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-02 13:36:57,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 1687 transitions. [2023-12-02 13:36:57,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-02 13:36:57,704 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:36:57,704 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:36:57,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-12-02 13:36:57,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-12-02 13:36:57,905 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:36:57,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:36:57,905 INFO L85 PathProgramCache]: Analyzing trace with hash -168476060, now seen corresponding path program 1 times [2023-12-02 13:36:57,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:36:57,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482332585] [2023-12-02 13:36:57,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:57,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:36:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:58,062 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 25 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 13:36:58,063 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:36:58,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482332585] [2023-12-02 13:36:58,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482332585] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:36:58,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225876542] [2023-12-02 13:36:58,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:58,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:36:58,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:36:58,064 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:36:58,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-02 13:36:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:58,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 13:36:58,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:36:58,232 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 13:36:58,232 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:36:58,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [225876542] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:36:58,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:36:58,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2023-12-02 13:36:58,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775244896] [2023-12-02 13:36:58,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:36:58,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 13:36:58,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:36:58,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 13:36:58,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-12-02 13:36:58,234 INFO L87 Difference]: Start difference. First operand 1479 states and 1687 transitions. Second operand has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-12-02 13:36:58,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:36:58,625 INFO L93 Difference]: Finished difference Result 2028 states and 2312 transitions. [2023-12-02 13:36:58,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 13:36:58,626 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 112 [2023-12-02 13:36:58,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:36:58,631 INFO L225 Difference]: With dead ends: 2028 [2023-12-02 13:36:58,631 INFO L226 Difference]: Without dead ends: 1435 [2023-12-02 13:36:58,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2023-12-02 13:36:58,633 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 62 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:36:58,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 865 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:36:58,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1435 states. [2023-12-02 13:36:58,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1435 to 1343. [2023-12-02 13:36:58,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1343 states, 971 states have (on average 1.1441812564366631) internal successors, (1111), 979 states have internal predecessors, (1111), 206 states have call successors, (206), 169 states have call predecessors, (206), 164 states have return successors, (215), 196 states have call predecessors, (215), 205 states have call successors, (215) [2023-12-02 13:36:58,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1343 states and 1532 transitions. [2023-12-02 13:36:58,832 INFO L78 Accepts]: Start accepts. Automaton has 1343 states and 1532 transitions. Word has length 112 [2023-12-02 13:36:58,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:36:58,832 INFO L495 AbstractCegarLoop]: Abstraction has 1343 states and 1532 transitions. [2023-12-02 13:36:58,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-12-02 13:36:58,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1532 transitions. [2023-12-02 13:36:58,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-02 13:36:58,834 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:36:58,834 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:36:58,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-12-02 13:36:59,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:36:59,034 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:36:59,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:36:59,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1219584257, now seen corresponding path program 1 times [2023-12-02 13:36:59,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:36:59,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490883312] [2023-12-02 13:36:59,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:59,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:36:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:59,129 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-02 13:36:59,129 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:36:59,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490883312] [2023-12-02 13:36:59,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490883312] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:36:59,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324536680] [2023-12-02 13:36:59,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:59,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:36:59,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:36:59,130 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:36:59,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-02 13:36:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:59,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 13:36:59,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:36:59,278 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 13:36:59,278 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:36:59,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324536680] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:36:59,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:36:59,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 11 [2023-12-02 13:36:59,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675363591] [2023-12-02 13:36:59,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:36:59,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:36:59,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:36:59,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:36:59,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-12-02 13:36:59,279 INFO L87 Difference]: Start difference. First operand 1343 states and 1532 transitions. Second operand has 6 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-02 13:36:59,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:36:59,617 INFO L93 Difference]: Finished difference Result 2092 states and 2377 transitions. [2023-12-02 13:36:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 13:36:59,617 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 113 [2023-12-02 13:36:59,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:36:59,620 INFO L225 Difference]: With dead ends: 2092 [2023-12-02 13:36:59,620 INFO L226 Difference]: Without dead ends: 1635 [2023-12-02 13:36:59,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2023-12-02 13:36:59,622 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 132 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:36:59,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 792 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:36:59,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2023-12-02 13:36:59,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1601. [2023-12-02 13:36:59,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1601 states, 1133 states have (on average 1.1394527802294792) internal successors, (1291), 1147 states have internal predecessors, (1291), 254 states have call successors, (254), 211 states have call predecessors, (254), 212 states have return successors, (275), 244 states have call predecessors, (275), 253 states have call successors, (275) [2023-12-02 13:36:59,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1601 states and 1820 transitions. [2023-12-02 13:36:59,958 INFO L78 Accepts]: Start accepts. Automaton has 1601 states and 1820 transitions. Word has length 113 [2023-12-02 13:36:59,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:36:59,959 INFO L495 AbstractCegarLoop]: Abstraction has 1601 states and 1820 transitions. [2023-12-02 13:36:59,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-02 13:36:59,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 1820 transitions. [2023-12-02 13:36:59,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-02 13:36:59,961 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:36:59,961 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:36:59,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-12-02 13:37:00,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2023-12-02 13:37:00,162 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:37:00,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:37:00,162 INFO L85 PathProgramCache]: Analyzing trace with hash 674140440, now seen corresponding path program 1 times [2023-12-02 13:37:00,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:37:00,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289632750] [2023-12-02 13:37:00,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:37:00,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:37:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:37:00,748 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 22 proven. 14 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 13:37:00,748 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:37:00,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289632750] [2023-12-02 13:37:00,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289632750] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:37:00,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109843212] [2023-12-02 13:37:00,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:37:00,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:37:00,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:37:00,750 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:37:00,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-02 13:37:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:37:00,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 59 conjunts are in the unsatisfiable core [2023-12-02 13:37:00,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:37:01,561 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 31 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 13:37:01,561 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:37:03,008 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 22 proven. 13 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 13:37:03,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109843212] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:37:03,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1546927321] [2023-12-02 13:37:03,011 INFO L159 IcfgInterpreter]: Started Sifa with 68 locations of interest [2023-12-02 13:37:03,011 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:37:03,012 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:37:03,012 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:37:03,012 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:37:14,546 INFO L197 IcfgInterpreter]: Interpreting procedure reset_delta_events1 with input of size 7 for LOIs [2023-12-02 13:37:14,548 INFO L197 IcfgInterpreter]: Interpreting procedure error1 with input of size 13 for LOIs [2023-12-02 13:37:14,549 INFO L197 IcfgInterpreter]: Interpreting procedure exists_runnable_thread1 with input of size 7 for LOIs [2023-12-02 13:37:14,553 INFO L197 IcfgInterpreter]: Interpreting procedure activate_threads1 with input of size 114 for LOIs [2023-12-02 13:37:14,920 INFO L197 IcfgInterpreter]: Interpreting procedure is_do_write_p_triggered with input of size 115 for LOIs [2023-12-02 13:37:15,271 INFO L197 IcfgInterpreter]: Interpreting procedure is_do_read_c_triggered with input of size 16 for LOIs [2023-12-02 13:37:15,291 INFO L197 IcfgInterpreter]: Interpreting procedure fire_delta_events1 with input of size 108 for LOIs [2023-12-02 13:37:15,352 INFO L197 IcfgInterpreter]: Interpreting procedure update_channels1 with input of size 119 for LOIs [2023-12-02 13:37:15,428 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:37:21,503 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '112455#(and (= ~q_req_up~0 1) (= ~q_free~0 1) (not (= ~c_num_read~0 ~p_num_write~0)) (= ~c_last_read~0 ~p_last_write~0))' at error location [2023-12-02 13:37:21,503 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 13:37:21,503 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 13:37:21,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17, 16] total 49 [2023-12-02 13:37:21,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840626344] [2023-12-02 13:37:21,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 13:37:21,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2023-12-02 13:37:21,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:37:21,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2023-12-02 13:37:21,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=790, Invalid=9716, Unknown=0, NotChecked=0, Total=10506 [2023-12-02 13:37:21,506 INFO L87 Difference]: Start difference. First operand 1601 states and 1820 transitions. Second operand has 49 states, 32 states have (on average 6.125) internal successors, (196), 37 states have internal predecessors, (196), 17 states have call successors, (44), 14 states have call predecessors, (44), 22 states have return successors, (46), 17 states have call predecessors, (46), 17 states have call successors, (46) [2023-12-02 13:37:34,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:37:34,502 INFO L93 Difference]: Finished difference Result 4268 states and 5049 transitions. [2023-12-02 13:37:34,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2023-12-02 13:37:34,502 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 32 states have (on average 6.125) internal successors, (196), 37 states have internal predecessors, (196), 17 states have call successors, (44), 14 states have call predecessors, (44), 22 states have return successors, (46), 17 states have call predecessors, (46), 17 states have call successors, (46) Word has length 114 [2023-12-02 13:37:34,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:37:34,508 INFO L225 Difference]: With dead ends: 4268 [2023-12-02 13:37:34,508 INFO L226 Difference]: Without dead ends: 3469 [2023-12-02 13:37:34,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 631 GetRequests, 295 SyntacticMatches, 3 SemanticMatches, 333 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 46342 ImplicationChecksByTransitivity, 15.9s TimeCoverageRelationStatistics Valid=10050, Invalid=101840, Unknown=0, NotChecked=0, Total=111890 [2023-12-02 13:37:34,521 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 3756 mSDsluCounter, 2661 mSDsCounter, 0 mSdLazyCounter, 5000 mSolverCounterSat, 1915 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3758 SdHoareTripleChecker+Valid, 2833 SdHoareTripleChecker+Invalid, 6915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1915 IncrementalHoareTripleChecker+Valid, 5000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:37:34,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3758 Valid, 2833 Invalid, 6915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1915 Valid, 5000 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 13:37:34,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3469 states. [2023-12-02 13:37:34,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3469 to 1839. [2023-12-02 13:37:34,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1839 states, 1294 states have (on average 1.1421947449768162) internal successors, (1478), 1309 states have internal predecessors, (1478), 291 states have call successors, (291), 241 states have call predecessors, (291), 252 states have return successors, (324), 289 states have call predecessors, (324), 290 states have call successors, (324) [2023-12-02 13:37:34,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1839 states and 2093 transitions. [2023-12-02 13:37:34,944 INFO L78 Accepts]: Start accepts. Automaton has 1839 states and 2093 transitions. Word has length 114 [2023-12-02 13:37:34,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:37:34,944 INFO L495 AbstractCegarLoop]: Abstraction has 1839 states and 2093 transitions. [2023-12-02 13:37:34,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 32 states have (on average 6.125) internal successors, (196), 37 states have internal predecessors, (196), 17 states have call successors, (44), 14 states have call predecessors, (44), 22 states have return successors, (46), 17 states have call predecessors, (46), 17 states have call successors, (46) [2023-12-02 13:37:34,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2093 transitions. [2023-12-02 13:37:34,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-02 13:37:34,946 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:37:34,947 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:37:34,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-12-02 13:37:35,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-12-02 13:37:35,147 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:37:35,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:37:35,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1807378952, now seen corresponding path program 1 times [2023-12-02 13:37:35,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:37:35,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504146249] [2023-12-02 13:37:35,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:37:35,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:37:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:37:35,377 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 23 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 13:37:35,378 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:37:35,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504146249] [2023-12-02 13:37:35,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504146249] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:37:35,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097393156] [2023-12-02 13:37:35,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:37:35,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:37:35,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:37:35,379 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:37:35,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-12-02 13:37:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:37:35,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 13:37:35,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:37:35,572 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 13:37:35,572 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:37:35,749 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-02 13:37:35,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097393156] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 13:37:35,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 13:37:35,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14, 8] total 20 [2023-12-02 13:37:35,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396152602] [2023-12-02 13:37:35,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:37:35,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 13:37:35,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:37:35,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 13:37:35,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-12-02 13:37:35,751 INFO L87 Difference]: Start difference. First operand 1839 states and 2093 transitions. Second operand has 7 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 4 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-02 13:37:36,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:37:36,525 INFO L93 Difference]: Finished difference Result 3167 states and 3646 transitions. [2023-12-02 13:37:36,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 13:37:36,526 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 4 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) Word has length 115 [2023-12-02 13:37:36,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:37:36,531 INFO L225 Difference]: With dead ends: 3167 [2023-12-02 13:37:36,531 INFO L226 Difference]: Without dead ends: 2176 [2023-12-02 13:37:36,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=98, Invalid=552, Unknown=0, NotChecked=0, Total=650 [2023-12-02 13:37:36,533 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 212 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:37:36,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 452 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 13:37:36,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2023-12-02 13:37:36,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 1919. [2023-12-02 13:37:36,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1919 states, 1339 states have (on average 1.141896938013443) internal successors, (1529), 1357 states have internal predecessors, (1529), 310 states have call successors, (310), 250 states have call predecessors, (310), 268 states have return successors, (364), 312 states have call predecessors, (364), 309 states have call successors, (364) [2023-12-02 13:37:36,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1919 states to 1919 states and 2203 transitions. [2023-12-02 13:37:36,894 INFO L78 Accepts]: Start accepts. Automaton has 1919 states and 2203 transitions. Word has length 115 [2023-12-02 13:37:36,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:37:36,894 INFO L495 AbstractCegarLoop]: Abstraction has 1919 states and 2203 transitions. [2023-12-02 13:37:36,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 4 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-02 13:37:36,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1919 states and 2203 transitions. [2023-12-02 13:37:36,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 13:37:36,898 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:37:36,899 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:37:36,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-12-02 13:37:37,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-12-02 13:37:37,099 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:37:37,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:37:37,100 INFO L85 PathProgramCache]: Analyzing trace with hash 2143140580, now seen corresponding path program 1 times [2023-12-02 13:37:37,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:37:37,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351907939] [2023-12-02 13:37:37,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:37:37,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:37:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:37:37,687 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 34 proven. 19 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-02 13:37:37,687 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:37:37,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351907939] [2023-12-02 13:37:37,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351907939] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:37:37,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803497306] [2023-12-02 13:37:37,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:37:37,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:37:37,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:37:37,689 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:37:37,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-12-02 13:37:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:37:37,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 62 conjunts are in the unsatisfiable core [2023-12-02 13:37:37,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:37:38,505 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 60 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 13:37:38,505 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:37:39,898 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 13 proven. 44 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 13:37:39,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803497306] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:37:39,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [845176129] [2023-12-02 13:37:39,901 INFO L159 IcfgInterpreter]: Started Sifa with 69 locations of interest [2023-12-02 13:37:39,901 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:37:39,901 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:37:39,901 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:37:39,901 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:37:44,822 INFO L197 IcfgInterpreter]: Interpreting procedure reset_delta_events1 with input of size 7 for LOIs [2023-12-02 13:37:44,824 INFO L197 IcfgInterpreter]: Interpreting procedure error1 with input of size 77 for LOIs [2023-12-02 13:37:44,862 INFO L197 IcfgInterpreter]: Interpreting procedure exists_runnable_thread1 with input of size 7 for LOIs [2023-12-02 13:37:44,865 INFO L197 IcfgInterpreter]: Interpreting procedure activate_threads1 with input of size 115 for LOIs [2023-12-02 13:37:45,237 INFO L197 IcfgInterpreter]: Interpreting procedure is_do_write_p_triggered with input of size 116 for LOIs [2023-12-02 13:37:45,646 INFO L197 IcfgInterpreter]: Interpreting procedure is_do_read_c_triggered with input of size 22 for LOIs [2023-12-02 13:37:45,692 INFO L197 IcfgInterpreter]: Interpreting procedure fire_delta_events1 with input of size 109 for LOIs [2023-12-02 13:37:45,780 INFO L197 IcfgInterpreter]: Interpreting procedure update_channels1 with input of size 120 for LOIs [2023-12-02 13:37:45,857 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:37:54,156 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '129650#(and (= ~q_req_up~0 1) (exists ((|v_ULTIMATE.start_eval1_~tmp___0~2#1_BEFORE_CALL_12| Int)) (and (not (= |v_ULTIMATE.start_eval1_~tmp___0~2#1_BEFORE_CALL_12| 0)) (<= |v_ULTIMATE.start_eval1_~tmp___0~2#1_BEFORE_CALL_12| 2147483647) (<= 0 (+ |v_ULTIMATE.start_eval1_~tmp___0~2#1_BEFORE_CALL_12| 2147483648)))) (= ~q_free~0 1) (= ~c_dr_pc~0 1) (not (= ~c_num_read~0 ~p_num_write~0)) (= ~c_last_read~0 ~q_buf_0~0) (exists ((|v_ULTIMATE.start_eval1_~tmp___1~0#1_BEFORE_CALL_10| Int) (v_~q_req_up~0_101 Int) (v_~q_free~0_106 Int) (|v_ULTIMATE.start_eval1_~tmp~2#1_BEFORE_CALL_10| Int)) (and (or (and (= v_~q_free~0_106 0) (= ~p_dw_pc~0 1) (= 2 ~p_dw_st~0)) (and (<= v_~q_free~0_106 1) (<= 0 ~p_dw_pc~0) (= |v_ULTIMATE.start_eval1_~tmp___1~0#1_BEFORE_CALL_10| 1) (= |v_ULTIMATE.start_eval1_~tmp~2#1_BEFORE_CALL_10| 0))) (or (= ~p_dw_st~0 0) (exists ((v_~p_dw_pc~0_48 Int) (v_~p_dw_st~0_135 Int)) (and (not (= |v_ULTIMATE.start_eval1_~tmp~2#1_BEFORE_CALL_10| 0)) (or (and (<= |v_ULTIMATE.start_eval1_~tmp~2#1_BEFORE_CALL_10| 2147483647) (= v_~p_dw_st~0_135 1) (= |v_ULTIMATE.start_eval1_~tmp___1~0#1_BEFORE_CALL_10| 1) (<= 0 (+ |v_ULTIMATE.start_eval1_~tmp~2#1_BEFORE_CALL_10| 2147483648)) (= v_~p_dw_pc~0_48 0)) (and (<= |v_ULTIMATE.start_eval1_~tmp~2#1_BEFORE_CALL_10| 2147483647) (= v_~p_dw_st~0_135 1) (<= 0 (+ ~p_last_write~0 2147483648)) (= |v_ULTIMATE.start_eval1_~tmp___1~0#1_BEFORE_CALL_10| 1) (= v_~q_req_up~0_101 1) (<= ~p_last_write~0 2147483647) (<= 0 (+ |v_ULTIMATE.start_eval1_~tmp~2#1_BEFORE_CALL_10| 2147483648)) (= v_~p_dw_pc~0_48 1)))))))) (= ~c_last_read~0 ~p_last_write~0) (= ~c_dr_st~0 1))' at error location [2023-12-02 13:37:54,157 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 13:37:54,157 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 13:37:54,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18, 18] total 49 [2023-12-02 13:37:54,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210259124] [2023-12-02 13:37:54,157 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 13:37:54,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2023-12-02 13:37:54,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:37:54,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2023-12-02 13:37:54,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=920, Invalid=10210, Unknown=0, NotChecked=0, Total=11130 [2023-12-02 13:37:54,160 INFO L87 Difference]: Start difference. First operand 1919 states and 2203 transitions. Second operand has 49 states, 33 states have (on average 6.484848484848484) internal successors, (214), 38 states have internal predecessors, (214), 22 states have call successors, (49), 15 states have call predecessors, (49), 21 states have return successors, (51), 21 states have call predecessors, (51), 22 states have call successors, (51) [2023-12-02 13:37:59,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:37:59,768 INFO L93 Difference]: Finished difference Result 4768 states and 5545 transitions. [2023-12-02 13:37:59,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-12-02 13:37:59,768 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 33 states have (on average 6.484848484848484) internal successors, (214), 38 states have internal predecessors, (214), 22 states have call successors, (49), 15 states have call predecessors, (49), 21 states have return successors, (51), 21 states have call predecessors, (51), 22 states have call successors, (51) Word has length 124 [2023-12-02 13:37:59,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:37:59,776 INFO L225 Difference]: With dead ends: 4768 [2023-12-02 13:37:59,776 INFO L226 Difference]: Without dead ends: 3697 [2023-12-02 13:37:59,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 315 SyntacticMatches, 1 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 13857 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=3473, Invalid=30199, Unknown=0, NotChecked=0, Total=33672 [2023-12-02 13:37:59,781 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 3389 mSDsluCounter, 1539 mSDsCounter, 0 mSdLazyCounter, 3082 mSolverCounterSat, 2002 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3391 SdHoareTripleChecker+Valid, 1676 SdHoareTripleChecker+Invalid, 5084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2002 IncrementalHoareTripleChecker+Valid, 3082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:37:59,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3391 Valid, 1676 Invalid, 5084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2002 Valid, 3082 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-02 13:37:59,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3697 states. [2023-12-02 13:38:00,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3697 to 2456. [2023-12-02 13:38:00,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2456 states, 1725 states have (on average 1.1466666666666667) internal successors, (1978), 1743 states have internal predecessors, (1978), 384 states have call successors, (384), 309 states have call predecessors, (384), 345 states have return successors, (456), 404 states have call predecessors, (456), 383 states have call successors, (456) [2023-12-02 13:38:00,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 2456 states and 2818 transitions. [2023-12-02 13:38:00,278 INFO L78 Accepts]: Start accepts. Automaton has 2456 states and 2818 transitions. Word has length 124 [2023-12-02 13:38:00,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:38:00,278 INFO L495 AbstractCegarLoop]: Abstraction has 2456 states and 2818 transitions. [2023-12-02 13:38:00,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 33 states have (on average 6.484848484848484) internal successors, (214), 38 states have internal predecessors, (214), 22 states have call successors, (49), 15 states have call predecessors, (49), 21 states have return successors, (51), 21 states have call predecessors, (51), 22 states have call successors, (51) [2023-12-02 13:38:00,279 INFO L276 IsEmpty]: Start isEmpty. Operand 2456 states and 2818 transitions. [2023-12-02 13:38:00,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-02 13:38:00,281 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:38:00,281 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:38:00,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-12-02 13:38:00,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2023-12-02 13:38:00,481 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:38:00,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:38:00,482 INFO L85 PathProgramCache]: Analyzing trace with hash 217008008, now seen corresponding path program 1 times [2023-12-02 13:38:00,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:38:00,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511195395] [2023-12-02 13:38:00,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:38:00,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:38:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:38:00,607 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 38 proven. 9 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-12-02 13:38:00,608 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:38:00,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511195395] [2023-12-02 13:38:00,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511195395] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:38:00,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528474788] [2023-12-02 13:38:00,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:38:00,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:38:00,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:38:00,609 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:38:00,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-12-02 13:38:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:38:00,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 13:38:00,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:38:00,778 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 50 proven. 17 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-02 13:38:00,778 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:38:00,906 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-02 13:38:00,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528474788] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 13:38:00,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 13:38:00,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 10] total 17 [2023-12-02 13:38:00,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228960884] [2023-12-02 13:38:00,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:38:00,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 13:38:00,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:38:00,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 13:38:00,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2023-12-02 13:38:00,908 INFO L87 Difference]: Start difference. First operand 2456 states and 2818 transitions. Second operand has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 4 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-02 13:38:01,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:38:01,724 INFO L93 Difference]: Finished difference Result 3421 states and 3915 transitions. [2023-12-02 13:38:01,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 13:38:01,724 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 4 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) Word has length 125 [2023-12-02 13:38:01,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:38:01,728 INFO L225 Difference]: With dead ends: 3421 [2023-12-02 13:38:01,728 INFO L226 Difference]: Without dead ends: 1813 [2023-12-02 13:38:01,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=491, Unknown=0, NotChecked=0, Total=600 [2023-12-02 13:38:01,730 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 334 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:38:01,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 359 Invalid, 638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 13:38:01,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1813 states. [2023-12-02 13:38:02,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1813 to 1466. [2023-12-02 13:38:02,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1466 states, 1028 states have (on average 1.1245136186770428) internal successors, (1156), 1045 states have internal predecessors, (1156), 234 states have call successors, (234), 188 states have call predecessors, (234), 202 states have return successors, (273), 233 states have call predecessors, (273), 233 states have call successors, (273) [2023-12-02 13:38:02,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1466 states and 1663 transitions. [2023-12-02 13:38:02,035 INFO L78 Accepts]: Start accepts. Automaton has 1466 states and 1663 transitions. Word has length 125 [2023-12-02 13:38:02,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:38:02,036 INFO L495 AbstractCegarLoop]: Abstraction has 1466 states and 1663 transitions. [2023-12-02 13:38:02,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 4 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2023-12-02 13:38:02,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 1663 transitions. [2023-12-02 13:38:02,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-02 13:38:02,038 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:38:02,038 INFO L195 NwaCegarLoop]: trace histogram [7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:38:02,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-12-02 13:38:02,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:38:02,239 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:38:02,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:38:02,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1399438889, now seen corresponding path program 1 times [2023-12-02 13:38:02,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:38:02,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588098038] [2023-12-02 13:38:02,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:38:02,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:38:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:38:02,395 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 64 proven. 39 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-12-02 13:38:02,395 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:38:02,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588098038] [2023-12-02 13:38:02,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588098038] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:38:02,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44658021] [2023-12-02 13:38:02,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:38:02,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:38:02,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:38:02,396 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:38:02,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-12-02 13:38:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:38:02,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 13:38:02,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:38:02,581 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 159 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 13:38:02,581 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:38:02,761 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 87 proven. 23 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2023-12-02 13:38:02,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44658021] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:38:02,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1709437388] [2023-12-02 13:38:02,763 INFO L159 IcfgInterpreter]: Started Sifa with 66 locations of interest [2023-12-02 13:38:02,763 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:38:02,763 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:38:02,763 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:38:02,763 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:38:09,290 INFO L197 IcfgInterpreter]: Interpreting procedure reset_delta_events2 with input of size 6 for LOIs [2023-12-02 13:38:09,293 INFO L197 IcfgInterpreter]: Interpreting procedure exists_runnable_thread2 with input of size 6 for LOIs [2023-12-02 13:38:09,297 INFO L197 IcfgInterpreter]: Interpreting procedure update_channels2 with input of size 97 for LOIs [2023-12-02 13:38:09,342 INFO L197 IcfgInterpreter]: Interpreting procedure immediate_notify with input of size 84 for LOIs [2023-12-02 13:38:09,649 INFO L197 IcfgInterpreter]: Interpreting procedure activate_threads2 with input of size 1 for LOIs [2023-12-02 13:38:09,672 INFO L197 IcfgInterpreter]: Interpreting procedure fire_delta_events2 with input of size 110 for LOIs [2023-12-02 13:38:09,741 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:38:13,532 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '147999#(and (<= 0 (+ |ULTIMATE.start_eval2_~tmp_ndt_1~0#1| 2147483648)) (<= |ULTIMATE.start_eval2_~tmp_ndt_1~0#1| 2147483647) (= ~m_pc~0 1) (<= 0 |ULTIMATE.start_eval2_~tmp~5#1|) (<= |ULTIMATE.start_eval2_~tmp~5#1| 1) (= ~m_st~0 1) (not (= (+ ~local~0 1) ~token~0)) (<= 0 ~t1_pc~0) (not (= |ULTIMATE.start_eval2_~tmp_ndt_1~0#1| 0)))' at error location [2023-12-02 13:38:13,533 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 13:38:13,533 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 13:38:13,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 5] total 13 [2023-12-02 13:38:13,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056603551] [2023-12-02 13:38:13,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 13:38:13,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 13:38:13,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:38:13,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 13:38:13,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=3627, Unknown=0, NotChecked=0, Total=3906 [2023-12-02 13:38:13,535 INFO L87 Difference]: Start difference. First operand 1466 states and 1663 transitions. Second operand has 13 states, 12 states have (on average 11.166666666666666) internal successors, (134), 12 states have internal predecessors, (134), 4 states have call successors, (36), 5 states have call predecessors, (36), 7 states have return successors, (38), 5 states have call predecessors, (38), 4 states have call successors, (38) [2023-12-02 13:38:14,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:38:14,429 INFO L93 Difference]: Finished difference Result 1631 states and 1849 transitions. [2023-12-02 13:38:14,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 13:38:14,430 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 11.166666666666666) internal successors, (134), 12 states have internal predecessors, (134), 4 states have call successors, (36), 5 states have call predecessors, (36), 7 states have return successors, (38), 5 states have call predecessors, (38), 4 states have call successors, (38) Word has length 160 [2023-12-02 13:38:14,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:38:14,431 INFO L225 Difference]: With dead ends: 1631 [2023-12-02 13:38:14,431 INFO L226 Difference]: Without dead ends: 693 [2023-12-02 13:38:14,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 517 GetRequests, 430 SyntacticMatches, 5 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2669 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=491, Invalid=6481, Unknown=0, NotChecked=0, Total=6972 [2023-12-02 13:38:14,433 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 394 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:38:14,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 845 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 13:38:14,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2023-12-02 13:38:14,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 693. [2023-12-02 13:38:14,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 474 states have (on average 1.1033755274261603) internal successors, (523), 484 states have internal predecessors, (523), 108 states have call successors, (108), 92 states have call predecessors, (108), 110 states have return successors, (137), 116 states have call predecessors, (137), 107 states have call successors, (137) [2023-12-02 13:38:14,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 768 transitions. [2023-12-02 13:38:14,602 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 768 transitions. Word has length 160 [2023-12-02 13:38:14,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:38:14,603 INFO L495 AbstractCegarLoop]: Abstraction has 693 states and 768 transitions. [2023-12-02 13:38:14,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 11.166666666666666) internal successors, (134), 12 states have internal predecessors, (134), 4 states have call successors, (36), 5 states have call predecessors, (36), 7 states have return successors, (38), 5 states have call predecessors, (38), 4 states have call successors, (38) [2023-12-02 13:38:14,603 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 768 transitions. [2023-12-02 13:38:14,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-12-02 13:38:14,604 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:38:14,605 INFO L195 NwaCegarLoop]: trace histogram [10, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:38:14,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-12-02 13:38:14,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:38:14,806 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:38:14,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:38:14,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1799477321, now seen corresponding path program 1 times [2023-12-02 13:38:14,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:38:14,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250496485] [2023-12-02 13:38:14,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:38:14,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:38:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:38:15,247 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 115 proven. 55 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2023-12-02 13:38:15,247 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:38:15,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250496485] [2023-12-02 13:38:15,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250496485] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:38:15,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101957964] [2023-12-02 13:38:15,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:38:15,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:38:15,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:38:15,248 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:38:15,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-12-02 13:38:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:38:15,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 13:38:15,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:38:15,490 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-12-02 13:38:15,490 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:38:15,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1101957964] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:38:15,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:38:15,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [19] total 26 [2023-12-02 13:38:15,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669513056] [2023-12-02 13:38:15,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:38:15,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-02 13:38:15,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:38:15,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-02 13:38:15,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=585, Unknown=0, NotChecked=0, Total=650 [2023-12-02 13:38:15,493 INFO L87 Difference]: Start difference. First operand 693 states and 768 transitions. Second operand has 9 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 3 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 5 states have call predecessors, (22), 3 states have call successors, (22) [2023-12-02 13:38:15,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:38:15,734 INFO L93 Difference]: Finished difference Result 946 states and 1046 transitions. [2023-12-02 13:38:15,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 13:38:15,735 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 3 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 5 states have call predecessors, (22), 3 states have call successors, (22) Word has length 220 [2023-12-02 13:38:15,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:38:15,735 INFO L225 Difference]: With dead ends: 946 [2023-12-02 13:38:15,735 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 13:38:15,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=782, Unknown=0, NotChecked=0, Total=870 [2023-12-02 13:38:15,737 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 44 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:38:15,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 672 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:38:15,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 13:38:15,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 13:38:15,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 13:38:15,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 13:38:15,738 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 220 [2023-12-02 13:38:15,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:38:15,738 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 13:38:15,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 3 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 5 states have call predecessors, (22), 3 states have call successors, (22) [2023-12-02 13:38:15,739 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 13:38:15,739 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 13:38:15,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-12-02 13:38:15,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location error1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-12-02 13:38:15,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-12-02 13:38:15,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:38:15,944 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 13:38:31,065 WARN L293 SmtUtils]: Spent 6.61s on a formula simplification. DAG size of input: 159 DAG size of output: 191 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-12-02 13:38:47,382 WARN L293 SmtUtils]: Spent 11.44s on a formula simplification. DAG size of input: 195 DAG size of output: 226 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-12-02 13:38:57,585 WARN L293 SmtUtils]: Spent 9.91s on a formula simplification. DAG size of input: 497 DAG size of output: 532 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-12-02 13:39:16,220 WARN L293 SmtUtils]: Spent 9.90s on a formula simplification. DAG size of input: 497 DAG size of output: 532 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-12-02 13:40:07,649 INFO L899 garLoopResultBuilder]: For program point immediate_notifyEXIT(lines 812 822) no Hoare annotation was computed. [2023-12-02 13:40:07,649 INFO L899 garLoopResultBuilder]: For program point immediate_notifyFINAL(lines 812 822) no Hoare annotation was computed. [2023-12-02 13:40:07,649 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 812 822) the Hoare annotation is: (let ((.cse20 (= |old(~t1_st~0)| ~t1_st~0)) (.cse18 (= ~m_st~0 |old(~m_st~0)|)) (.cse23 (= ~c_last_read~0 ~p_last_write~0)) (.cse26 (= ~p_last_write~0 ~q_buf_0~0)) (.cse24 (= ~p_dw_pc~0 0)) (.cse25 (= ~t1_i~0 1))) (let ((.cse2 (not (= ~E_M~0 2))) (.cse11 (not (= ~c_num_read~0 ~p_num_write~0))) (.cse14 (not (= ~E_1~0 1))) (.cse17 (not (= ~token~0 ~local~0))) (.cse0 (not (= ~q_req_up~0 0))) (.cse1 (not (= ~p_dw_st~0 0))) (.cse3 (= |old(~m_st~0)| 0)) (.cse4 (not (= ~t1_pc~0 1))) (.cse5 (not (= ~c_dr_st~0 0))) (.cse19 (not (= ~p_num_write~0 0))) (.cse6 (not .cse25)) (.cse7 (not .cse24)) (.cse8 (not .cse26)) (.cse9 (not (= ~c_num_read~0 0))) (.cse10 (not (= ~q_free~0 0))) (.cse12 (not (= ~c_dr_pc~0 ~p_dw_pc~0))) (.cse13 (and .cse24 .cse25 .cse26 .cse20 .cse18 (= ~c_dr_pc~0 0) .cse23)) (.cse21 (< ~E_1~0 2)) (.cse15 (not .cse23)) (.cse16 (= ~q_write_ev~0 1)) (.cse22 (not (= ~E_M~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (or (not (= |old(~t1_st~0)| 0)) .cse0 .cse1 (and .cse18 (= ~t1_st~0 0)) .cse2 .cse3 (not (= ~m_i~0 1)) .cse5 (not (= ~m_pc~0 0)) .cse6 .cse7 .cse8 (not (= ~t1_pc~0 0)) .cse9 .cse10 .cse11 .cse12 .cse14 .cse15 .cse16 .cse17) (or .cse1 .cse3 .cse4 .cse5 .cse19 .cse6 .cse7 .cse8 (= ~m_pc~0 1) .cse9 .cse10 (and .cse20 (not (= ~m_st~0 0))) .cse12 .cse21 .cse15 .cse22) (or .cse0 .cse1 .cse3 .cse4 .cse5 .cse19 .cse6 .cse7 .cse8 .cse9 .cse10 .cse12 .cse13 .cse21 (not (= (+ ~local~0 1) ~token~0)) .cse15 .cse16 .cse22)))) [2023-12-02 13:40:07,649 INFO L899 garLoopResultBuilder]: For program point update_channels1EXIT(lines 226 240) no Hoare annotation was computed. [2023-12-02 13:40:07,650 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 226 240) the Hoare annotation is: (let ((.cse1 (not (= ~m_pc~0 ~t1_pc~0))) (.cse2 (= |old(~q_read_ev~0)| 1)) (.cse4 (and (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= |old(~q_read_ev~0)| ~q_read_ev~0) (= ~q_req_up~0 |old(~q_req_up~0)|))) (.cse12 (= ~q_free~0 0)) (.cse8 (not (= ~p_dw_pc~0 1))) (.cse10 (not (= ~c_dr_pc~0 1))) (.cse14 (= |old(~q_read_ev~0)| 0)) (.cse18 (= ~p_dw_st~0 0)) (.cse3 (not (= ~E_M~0 2))) (.cse0 (= ~c_dr_st~0 0)) (.cse17 (not (= ~m_pc~0 0))) (.cse5 (not (= ~E_1~0 2))) (.cse6 (not (= ~p_last_write~0 ~q_buf_0~0))) (.cse7 (not (= ~t1_pc~0 0))) (.cse9 (not (= ~m_st~0 0))) (.cse11 (not (= ~p_dw_i~0 1))) (.cse13 (not (= ~t1_st~0 0))) (.cse15 (not (= 1 ~c_dr_i~0))) (.cse16 (not (= ~token~0 ~local~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= |old(~q_write_ev~0)| 1) .cse6 .cse7 .cse8 (not (= ~c_num_read~0 ~p_num_write~0)) .cse9 .cse10 .cse11 (and (= |old(~q_req_up~0)| 1) .cse12) (= |old(~q_write_ev~0)| 0) .cse13 .cse14 .cse15 .cse16) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse17 .cse5 .cse6 (not .cse12) .cse8 .cse18 .cse9 .cse10 .cse11 .cse13 (not (= (+ ~c_num_read~0 1) ~p_num_write~0)) .cse14 .cse15 .cse16) (let ((.cse19 (select |#memory_int| 1))) (or (not (= ~a_t~0 0)) (not .cse18) (not (= (select .cse19 0) 48)) (not (= ~M_E~0 2)) (not (= ~t1_i~0 0)) .cse3 (not (= 2 (select |#length| 1))) (not (= |old(~q_ev~0)| 0)) (not .cse0) (not (= (select |#valid| 3) 1)) .cse17 (not (= ~p_num_write~0 0)) .cse5 (not (= ~T1_E~0 2)) (not (= ~p_dw_pc~0 0)) (not (= (select |#length| 3) 12)) .cse6 (not (= (select |#valid| 0) 0)) (not (= (select .cse19 1) 0)) .cse7 (not (= ~c_num_read~0 0)) (not (= (select |#valid| 1) 1)) (not (= 19 (select |#length| 2))) (not (= ~token~0 0)) (not (= ~c_dr_pc~0 ~p_dw_pc~0)) .cse9 (not (= |old(~q_read_ev~0)| 2)) (< |#StackHeapBarrier| 1) .cse11 .cse13 (not (= (select |#valid| 2) 1)) (not (= ~q_free~0 1)) (not (= |old(~q_req_up~0)| 0)) (not (= ~m_i~0 0)) (not (= 2 |old(~q_write_ev~0)|)) (not (= ~c_last_read~0 ~p_last_write~0)) (not (= ~p_last_write~0 0)) .cse15 (and (= ~q_req_up~0 0) (= ~q_ev~0 0) (= ~q_write_ev~0 2) (= ~q_read_ev~0 2)) .cse16)))) [2023-12-02 13:40:07,650 INFO L899 garLoopResultBuilder]: For program point L601(lines 601 606) no Hoare annotation was computed. [2023-12-02 13:40:07,650 INFO L899 garLoopResultBuilder]: For program point L630(lines 618 632) no Hoare annotation was computed. [2023-12-02 13:40:07,650 INFO L899 garLoopResultBuilder]: For program point L620(lines 620 625) no Hoare annotation was computed. [2023-12-02 13:40:07,650 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 787 811) the Hoare annotation is: (let ((.cse3 (= |old(~m_st~0)| 0)) (.cse39 (= ~c_dr_st~0 0)) (.cse38 (= ~p_num_write~0 0)) (.cse34 (= ~c_num_read~0 0)) (.cse33 (= ~q_free~0 0)) (.cse40 (= ~p_dw_st~0 0)) (.cse36 (= ~p_dw_pc~0 0)) (.cse37 (= ~t1_i~0 1)) (.cse35 (= ~p_last_write~0 ~q_buf_0~0)) (.cse29 (= |old(~t1_st~0)| ~t1_st~0)) (.cse41 (= ~c_dr_pc~0 0)) (.cse32 (= ~c_last_read~0 ~p_last_write~0)) (.cse42 (= ~m_st~0 |old(~m_st~0)|))) (let ((.cse14 (not (= ~E_1~0 1))) (.cse23 (not (= |old(~t1_st~0)| 0))) (.cse24 (and .cse42 (= ~t1_st~0 0))) (.cse25 (not (= ~m_i~0 1))) (.cse26 (not (= ~m_pc~0 0))) (.cse27 (not (= ~t1_pc~0 0))) (.cse0 (not (= ~q_req_up~0 0))) (.cse11 (not (= ~c_num_read~0 ~p_num_write~0))) (.cse13 (and .cse36 .cse37 .cse35 .cse29 .cse42 .cse41 .cse32)) (.cse16 (= ~q_write_ev~0 1)) (.cse22 (not (= ~E_M~0 1))) (.cse19 (and .cse36 .cse39 (<= 2 ~E_1~0) .cse38 .cse34 .cse37 .cse35 .cse29 .cse33 .cse40 (not (= ~m_st~0 0)) .cse41 .cse32)) (.cse1 (not .cse40)) (.cse28 (= ~m_st~0 2)) (.cse2 (not (= ~E_M~0 2))) (.cse4 (not (= ~t1_pc~0 1))) (.cse5 (not .cse39)) (.cse18 (not .cse38)) (.cse30 (not (= ~E_1~0 2))) (.cse6 (not .cse37)) (.cse7 (not .cse36)) (.cse8 (not .cse35)) (.cse20 (= ~m_pc~0 1)) (.cse9 (not .cse34)) (.cse10 (not .cse33)) (.cse12 (not (= ~c_dr_pc~0 ~p_dw_pc~0))) (.cse21 (< ~E_1~0 2)) (.cse31 (and (not .cse3) (not (= 2 |old(~m_st~0)|)))) (.cse15 (not .cse32)) (.cse17 (not (= ~token~0 ~local~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (or .cse1 .cse3 .cse4 .cse5 .cse18 .cse6 .cse7 .cse8 .cse19 .cse20 .cse9 .cse10 .cse12 .cse21 .cse15 .cse22) (or .cse23 .cse0 .cse1 .cse24 .cse2 .cse3 .cse25 .cse5 .cse26 .cse6 .cse7 .cse8 .cse27 .cse9 .cse10 .cse11 .cse12 .cse14 .cse15 .cse16 .cse17) (or .cse0 .cse1 (and .cse28 .cse29) .cse2 .cse3 .cse4 .cse5 .cse30 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse21 .cse31 .cse15 .cse16 .cse17) (or .cse23 .cse0 .cse1 .cse24 .cse2 .cse25 .cse5 .cse26 .cse30 .cse6 .cse7 .cse8 .cse27 .cse9 .cse10 .cse11 .cse12 .cse31 .cse15 .cse16 .cse17) (or .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse21 (not (= (+ ~local~0 1) ~token~0)) .cse15 .cse16 .cse22) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse18 .cse6 .cse7 .cse8 .cse19 .cse20 .cse9 .cse10 .cse12 .cse21 .cse15) (or .cse1 .cse28 .cse2 .cse3 .cse4 .cse5 .cse18 .cse30 .cse6 .cse7 .cse8 .cse20 .cse9 .cse10 .cse12 .cse21 .cse31 .cse15 .cse17)))) [2023-12-02 13:40:07,651 INFO L899 garLoopResultBuilder]: For program point activate_threads2EXIT(lines 787 811) no Hoare annotation was computed. [2023-12-02 13:40:07,651 INFO L899 garLoopResultBuilder]: For program point L600(lines 600 609) no Hoare annotation was computed. [2023-12-02 13:40:07,651 INFO L899 garLoopResultBuilder]: For program point L600-2(lines 600 609) no Hoare annotation was computed. [2023-12-02 13:40:07,651 INFO L899 garLoopResultBuilder]: For program point L619(lines 619 628) no Hoare annotation was computed. [2023-12-02 13:40:07,651 INFO L899 garLoopResultBuilder]: For program point L619-2(lines 619 628) no Hoare annotation was computed. [2023-12-02 13:40:07,651 INFO L899 garLoopResultBuilder]: For program point L611(lines 599 613) no Hoare annotation was computed. [2023-12-02 13:40:07,652 INFO L895 garLoopResultBuilder]: At program point L321(line 321) the Hoare annotation is: (let ((.cse14 (= |old(~c_dr_st~0)| 0)) (.cse3 (not (= ~m_pc~0 0))) (.cse0 (not (= ~m_pc~0 ~t1_pc~0))) (.cse1 (not (= ~E_M~0 2))) (.cse19 (= |old(~p_dw_st~0)| 0)) (.cse2 (and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))) (.cse4 (not (= ~E_1~0 2))) (.cse6 (not (= ~p_last_write~0 ~q_buf_0~0))) (.cse7 (= ~m_pc~0 1)) (.cse18 (not (= ~t1_pc~0 0))) (.cse5 (= ~q_free~0 0)) (.cse8 (not (= ~p_dw_pc~0 1))) (.cse9 (not (= ~m_st~0 0))) (.cse10 (not (= ~c_dr_pc~0 1))) (.cse11 (= ~q_read_ev~0 0)) (.cse12 (not (= ~p_dw_i~0 1))) (.cse13 (not (= ~t1_st~0 0))) (.cse15 (not (= 1 ~c_dr_i~0))) (.cse16 (not (= ~token~0 ~local~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and (= ~q_req_up~0 1) .cse5) .cse6 .cse7 .cse8 (not (= ~c_num_read~0 ~p_num_write~0)) .cse9 (= ~q_write_ev~0 0) .cse10 .cse11 .cse12 .cse13 .cse14 (= ~q_write_ev~0 1) .cse15 .cse16) (let ((.cse17 (select |#memory_int| 1))) (or (not (= ~a_t~0 0)) (not (= ~q_req_up~0 0)) (not .cse14) (not (= (select .cse17 0) 48)) (not (= ~M_E~0 2)) (not (= ~t1_i~0 0)) .cse1 (not (= 2 (select |#length| 1))) (not (= (select |#valid| 3) 1)) .cse3 (not (= ~p_num_write~0 0)) .cse4 (not (= ~T1_E~0 2)) (not (= ~p_dw_pc~0 0)) (not (= (select |#length| 3) 12)) .cse6 (not (= (select |#valid| 0) 0)) (not (= (select .cse17 1) 0)) .cse18 (not (= ~c_num_read~0 0)) (not (= (select |#valid| 1) 1)) (not (= 19 (select |#length| 2))) (not (= ~token~0 0)) (not (= ~c_dr_pc~0 ~p_dw_pc~0)) .cse9 (not (= ~q_ev~0 0)) (not (= ~q_write_ev~0 2)) (< |#StackHeapBarrier| 1) .cse12 .cse13 (not (= (select |#valid| 2) 1)) (not (= ~q_free~0 1)) (not (= ~m_i~0 0)) (not .cse19) (not (= ~q_read_ev~0 2)) (not (= ~c_last_read~0 ~p_last_write~0)) (not (= ~p_last_write~0 0)) (and (= ~c_dr_st~0 0) (= ~p_dw_st~0 0)) .cse15 .cse16)) (or .cse0 .cse1 .cse19 (= ~q_read_ev~0 1) .cse2 .cse4 .cse6 .cse7 .cse18 (not .cse5) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (not (= (+ ~c_num_read~0 1) ~p_num_write~0)) .cse15 .cse16))) [2023-12-02 13:40:07,653 INFO L895 garLoopResultBuilder]: At program point L323-2(lines 323 327) the Hoare annotation is: (let ((.cse42 (= ~q_free~0 0))) (let ((.cse31 (= ~token~0 ~local~0)) (.cse22 (= 1 ~c_dr_i~0)) (.cse39 (= ~q_write_ev~0 1)) (.cse8 (not .cse42)) (.cse36 (= ~q_write_ev~0 0)) (.cse24 (= ~t1_st~0 0)) (.cse28 (= ~p_dw_i~0 1)) (.cse23 (= ~c_dr_pc~0 1)) (.cse25 (= ~p_dw_pc~0 1)) (.cse20 (= ~p_last_write~0 ~q_buf_0~0)) (.cse41 (= ~q_req_up~0 1)) (.cse32 (= ~E_1~0 2)) (.cse26 (= ~p_dw_st~0 0)) (.cse30 (= ~E_M~0 2)) (.cse2 (= |old(~p_dw_st~0)| 0)) (.cse19 (= ~t1_pc~0 0))) (let ((.cse7 (not .cse19)) (.cse38 (not .cse2)) (.cse0 (not (= ~m_pc~0 ~t1_pc~0))) (.cse1 (not .cse30)) (.cse12 (or (not .cse26) .cse2)) (.cse33 (not (= ~m_pc~0 0))) (.cse4 (not .cse32)) (.cse34 (and .cse41 .cse42)) (.cse5 (not .cse20)) (.cse6 (= ~m_pc~0 1)) (.cse9 (not .cse25)) (.cse35 (not (= ~c_num_read~0 ~p_num_write~0))) (.cse10 (not (= ~m_st~0 0))) (.cse13 (not .cse23)) (.cse14 (= ~q_read_ev~0 0)) (.cse15 (not .cse28)) (.cse16 (not .cse24)) (.cse37 (= |old(~c_dr_st~0)| 0)) (.cse21 (not .cse36)) (.cse3 (= ~q_read_ev~0 1)) (.cse11 (= ~c_dr_st~0 |old(~c_dr_st~0)|)) (.cse27 (or (not .cse41) .cse8)) (.cse29 (not .cse39)) (.cse17 (not .cse22)) (.cse18 (not .cse31))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (and .cse11 .cse12) .cse13 .cse14 .cse15 .cse16 (not (= (+ ~c_num_read~0 1) ~p_num_write~0)) .cse17 .cse18) (or .cse0 (and .cse19 .cse20 .cse21 .cse11 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32) .cse1 .cse33 .cse4 .cse34 .cse5 .cse6 .cse9 .cse35 .cse10 .cse36 .cse13 .cse14 .cse15 .cse16 .cse37 .cse38 .cse39 .cse17 .cse18) (let ((.cse40 (select |#memory_int| 1))) (or (not (= ~a_t~0 0)) (not (= ~q_req_up~0 0)) (not .cse37) (not (= (select .cse40 0) 48)) (not (= ~M_E~0 2)) (not (= ~t1_i~0 0)) .cse1 (not (= 2 (select |#length| 1))) (not (= (select |#valid| 3) 1)) .cse33 (not (= ~p_num_write~0 0)) .cse4 (not (= ~T1_E~0 2)) (not (= ~p_dw_pc~0 0)) (not (= (select |#length| 3) 12)) .cse5 (not (= (select |#valid| 0) 0)) (not (= (select .cse40 1) 0)) .cse7 (not (= ~c_num_read~0 0)) (not (= (select |#valid| 1) 1)) (not (= 19 (select |#length| 2))) (not (= ~token~0 0)) (not (= ~c_dr_pc~0 ~p_dw_pc~0)) .cse10 (and (= ~c_dr_st~0 0) (= activate_threads1_~tmp~1 0) .cse26) (not (= ~q_ev~0 0)) (not (= ~q_write_ev~0 2)) (< |#StackHeapBarrier| 1) .cse15 .cse16 (not (= (select |#valid| 2) 1)) (not (= ~q_free~0 1)) (not (= ~m_i~0 0)) .cse38 (not (= ~q_read_ev~0 2)) (not (= ~c_last_read~0 ~p_last_write~0)) (not (= ~p_last_write~0 0)) .cse17 .cse18)) (or .cse0 .cse1 (and (not .cse3) .cse11 .cse12) .cse33 .cse4 .cse34 .cse5 .cse6 .cse9 .cse35 .cse10 .cse36 .cse13 .cse14 .cse15 .cse16 .cse37 (and .cse19 .cse20 .cse21 .cse3 .cse11 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32) .cse39 .cse17 .cse18))))) [2023-12-02 13:40:07,653 INFO L899 garLoopResultBuilder]: For program point L321-1(line 321) no Hoare annotation was computed. [2023-12-02 13:40:07,653 INFO L899 garLoopResultBuilder]: For program point activate_threads1EXIT(lines 315 339) no Hoare annotation was computed. [2023-12-02 13:40:07,654 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 315 339) the Hoare annotation is: (let ((.cse14 (= |old(~c_dr_st~0)| 0)) (.cse3 (not (= ~m_pc~0 0))) (.cse0 (not (= ~m_pc~0 ~t1_pc~0))) (.cse1 (not (= ~E_M~0 2))) (.cse19 (= |old(~p_dw_st~0)| 0)) (.cse2 (and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))) (.cse4 (not (= ~E_1~0 2))) (.cse6 (not (= ~p_last_write~0 ~q_buf_0~0))) (.cse7 (= ~m_pc~0 1)) (.cse18 (not (= ~t1_pc~0 0))) (.cse5 (= ~q_free~0 0)) (.cse8 (not (= ~p_dw_pc~0 1))) (.cse9 (not (= ~m_st~0 0))) (.cse10 (not (= ~c_dr_pc~0 1))) (.cse11 (= ~q_read_ev~0 0)) (.cse12 (not (= ~p_dw_i~0 1))) (.cse13 (not (= ~t1_st~0 0))) (.cse15 (not (= 1 ~c_dr_i~0))) (.cse16 (not (= ~token~0 ~local~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and (= ~q_req_up~0 1) .cse5) .cse6 .cse7 .cse8 (not (= ~c_num_read~0 ~p_num_write~0)) .cse9 (= ~q_write_ev~0 0) .cse10 .cse11 .cse12 .cse13 .cse14 (= ~q_write_ev~0 1) .cse15 .cse16) (let ((.cse17 (select |#memory_int| 1))) (or (not (= ~a_t~0 0)) (not (= ~q_req_up~0 0)) (not .cse14) (not (= (select .cse17 0) 48)) (not (= ~M_E~0 2)) (not (= ~t1_i~0 0)) .cse1 (not (= 2 (select |#length| 1))) (not (= (select |#valid| 3) 1)) .cse3 (not (= ~p_num_write~0 0)) .cse4 (not (= ~T1_E~0 2)) (not (= ~p_dw_pc~0 0)) (not (= (select |#length| 3) 12)) .cse6 (not (= (select |#valid| 0) 0)) (not (= (select .cse17 1) 0)) .cse18 (not (= ~c_num_read~0 0)) (not (= (select |#valid| 1) 1)) (not (= 19 (select |#length| 2))) (not (= ~token~0 0)) (not (= ~c_dr_pc~0 ~p_dw_pc~0)) .cse9 (not (= ~q_ev~0 0)) (not (= ~q_write_ev~0 2)) (< |#StackHeapBarrier| 1) .cse12 .cse13 (not (= (select |#valid| 2) 1)) (not (= ~q_free~0 1)) (not (= ~m_i~0 0)) (not .cse19) (not (= ~q_read_ev~0 2)) (not (= ~c_last_read~0 ~p_last_write~0)) (not (= ~p_last_write~0 0)) (and (= ~c_dr_st~0 0) (= ~p_dw_st~0 0)) .cse15 .cse16)) (or .cse0 .cse1 .cse19 (= ~q_read_ev~0 1) .cse2 .cse4 .cse6 .cse7 .cse18 (not .cse5) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (not (= (+ ~c_num_read~0 1) ~p_num_write~0)) .cse15 .cse16))) [2023-12-02 13:40:07,654 INFO L899 garLoopResultBuilder]: For program point L329(line 329) no Hoare annotation was computed. [2023-12-02 13:40:07,654 INFO L899 garLoopResultBuilder]: For program point update_channels2EXIT(lines 634 641) no Hoare annotation was computed. [2023-12-02 13:40:07,654 INFO L902 garLoopResultBuilder]: At program point update_channels2FINAL(lines 634 641) the Hoare annotation is: true [2023-12-02 13:40:07,654 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 731 758) the Hoare annotation is: (let ((.cse3 (= ~m_st~0 0)) (.cse19 (= ~E_M~0 2))) (let ((.cse0 (not (= ~q_req_up~0 0))) (.cse2 (and .cse19 (= ~E_1~0 2))) (.cse4 (and (not (= ~m_st~0 2)) (not .cse3))) (.cse7 (not (= 2 |old(~E_1~0)|))) (.cse14 (not (= ~c_num_read~0 ~p_num_write~0))) (.cse17 (= ~q_write_ev~0 1)) (.cse18 (not (= ~token~0 ~local~0))) (.cse1 (not (= ~p_dw_st~0 0))) (.cse5 (not (= ~t1_pc~0 1))) (.cse6 (not (= ~c_dr_st~0 0))) (.cse8 (not (= 2 |old(~E_M~0)|))) (.cse9 (not (= ~t1_i~0 1))) (.cse10 (not (= ~p_dw_pc~0 0))) (.cse11 (not (= ~p_last_write~0 ~q_buf_0~0))) (.cse12 (not (= ~c_num_read~0 0))) (.cse13 (not (= ~q_free~0 0))) (.cse15 (not (= ~c_dr_pc~0 ~p_dw_pc~0))) (.cse16 (not (= ~c_last_read~0 ~p_last_write~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18) (or .cse0 .cse1 .cse2 (not (= ~m_i~0 1)) .cse4 .cse6 .cse7 (not (= ~m_pc~0 0)) .cse8 .cse9 .cse10 .cse11 (not (= ~t1_pc~0 0)) .cse12 .cse13 .cse14 .cse15 (not (= ~t1_st~0 0)) .cse16 .cse17 .cse18) (or .cse1 .cse3 .cse5 .cse6 .cse8 (not (= ~p_num_write~0 0)) .cse9 .cse10 .cse11 (= ~m_pc~0 1) .cse12 .cse13 (< |old(~E_1~0)| 2) (and (= ~E_1~0 |old(~E_1~0)|) .cse19) .cse15 .cse16)))) [2023-12-02 13:40:07,654 INFO L899 garLoopResultBuilder]: For program point fire_delta_events2EXIT(lines 731 758) no Hoare annotation was computed. [2023-12-02 13:40:07,655 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 279 296) the Hoare annotation is: (let ((.cse3 (= ~c_dr_st~0 0)) (.cse12 (not (= ~m_pc~0 ~t1_pc~0))) (.cse2 (not (= ~E_M~0 2))) (.cse4 (not (= ~E_1~0 2))) (.cse5 (not (= ~p_last_write~0 ~q_buf_0~0))) (.cse14 (= ~m_pc~0 1)) (.cse15 (and (= ~q_write_ev~0 |old(~q_write_ev~0)|) (= |old(~q_read_ev~0)| ~q_read_ev~0))) (.cse6 (not (= ~t1_pc~0 0))) (.cse13 (= ~q_free~0 0)) (.cse16 (not (= ~p_dw_pc~0 1))) (.cse0 (= ~p_dw_st~0 0)) (.cse7 (not (= ~m_st~0 0))) (.cse17 (not (= ~c_dr_pc~0 1))) (.cse8 (not (= ~p_dw_i~0 1))) (.cse9 (not (= ~t1_st~0 0))) (.cse10 (not (= 1 ~c_dr_i~0))) (.cse11 (not (= ~token~0 ~local~0)))) (and (let ((.cse1 (select |#memory_int| 1))) (or (not (= ~a_t~0 0)) (not (= ~q_req_up~0 0)) (not .cse0) (not (= (select .cse1 0) 48)) (not (= ~M_E~0 2)) (not (= ~t1_i~0 0)) (and (= ~q_write_ev~0 2) (= ~q_read_ev~0 2)) .cse2 (not (= 2 (select |#length| 1))) (not .cse3) (not (= (select |#valid| 3) 1)) (not (= ~m_pc~0 0)) (not (= ~p_num_write~0 0)) .cse4 (not (= ~T1_E~0 2)) (not (= ~p_dw_pc~0 0)) (not (= (select |#length| 3) 12)) .cse5 (not (= (select |#valid| 0) 0)) (not (= (select .cse1 1) 0)) .cse6 (not (= ~c_num_read~0 0)) (not (= (select |#valid| 1) 1)) (not (= 19 (select |#length| 2))) (not (= ~token~0 0)) (not (= ~c_dr_pc~0 ~p_dw_pc~0)) .cse7 (not (= |old(~q_read_ev~0)| 2)) (not (= ~q_ev~0 0)) (< |#StackHeapBarrier| 1) .cse8 .cse9 (not (= (select |#valid| 2) 1)) (not (= ~q_free~0 1)) (not (= ~m_i~0 0)) (not (= 2 |old(~q_write_ev~0)|)) (not (= ~c_last_read~0 ~p_last_write~0)) (not (= ~p_last_write~0 0)) .cse10 .cse11)) (or .cse3 .cse12 .cse2 .cse4 (and (= ~q_req_up~0 1) .cse13) (= |old(~q_write_ev~0)| 1) .cse5 .cse14 .cse15 .cse6 .cse16 (not (= ~c_num_read~0 ~p_num_write~0)) .cse7 .cse17 .cse8 (= |old(~q_write_ev~0)| 0) .cse9 .cse10 .cse11) (or .cse3 .cse12 (= |old(~q_read_ev~0)| 1) .cse2 .cse4 .cse5 .cse14 .cse15 .cse6 (not .cse13) .cse16 .cse0 .cse7 .cse17 .cse8 .cse9 (not (= (+ ~c_num_read~0 1) ~p_num_write~0)) (= |old(~q_read_ev~0)| 0) .cse10 .cse11))) [2023-12-02 13:40:07,655 INFO L899 garLoopResultBuilder]: For program point fire_delta_events1EXIT(lines 279 296) no Hoare annotation was computed. [2023-12-02 13:40:07,655 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 98) no Hoare annotation was computed. [2023-12-02 13:40:07,655 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 101) no Hoare annotation was computed. [2023-12-02 13:40:07,655 INFO L899 garLoopResultBuilder]: For program point L92-2(lines 92 101) no Hoare annotation was computed. [2023-12-02 13:40:07,655 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 88 106) the Hoare annotation is: true [2023-12-02 13:40:07,655 INFO L899 garLoopResultBuilder]: For program point is_do_read_c_triggeredEXIT(lines 88 106) no Hoare annotation was computed. [2023-12-02 13:40:07,655 INFO L899 garLoopResultBuilder]: For program point L103(lines 91 105) no Hoare annotation was computed. [2023-12-02 13:40:07,655 INFO L899 garLoopResultBuilder]: For program point L960(lines 960 966) no Hoare annotation was computed. [2023-12-02 13:40:07,656 INFO L895 garLoopResultBuilder]: At program point L927(line 927) the Hoare annotation is: (let ((.cse9 (= ~m_st~0 0)) (.cse17 (= ~t1_pc~0 1)) (.cse0 (= ~p_dw_pc~0 0)) (.cse1 (= ~c_dr_st~0 0)) (.cse2 (= ~p_num_write~0 0)) (.cse3 (= ~c_num_read~0 0)) (.cse8 (= ~m_st~0 2)) (.cse4 (= ~t1_i~0 1)) (.cse5 (= ~p_last_write~0 ~q_buf_0~0)) (.cse6 (= ~q_free~0 0)) (.cse7 (= ~q_req_up~0 0)) (.cse10 (= ~p_dw_st~0 0)) (.cse11 (= ~c_dr_pc~0 0)) (.cse12 (= ~c_last_read~0 ~p_last_write~0)) (.cse13 (not (= ~q_write_ev~0 1))) (.cse14 (= ~E_M~0 2)) (.cse15 (= ~token~0 ~local~0)) (.cse16 (= ~E_1~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~t1_pc~0 0) .cse4 .cse5 .cse6 .cse7 (= ~t1_st~0 0) (= ~m_i~0 1) (or .cse8 .cse9) .cse10 .cse11 (= ~m_pc~0 0) .cse12 .cse13 .cse14 .cse15 .cse16) (and .cse17 .cse0 .cse1 (<= 2 ~E_1~0) .cse2 .cse3 .cse4 .cse5 (not (= ~m_pc~0 1)) .cse6 .cse10 (not .cse9) .cse11 .cse12 .cse14) (and .cse17 .cse0 .cse1 .cse2 .cse3 .cse8 .cse4 .cse5 .cse6 .cse7 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16))) [2023-12-02 13:40:07,656 INFO L899 garLoopResultBuilder]: For program point L927-1(line 927) no Hoare annotation was computed. [2023-12-02 13:40:07,656 INFO L899 garLoopResultBuilder]: For program point L696-1(lines 686 724) no Hoare annotation was computed. [2023-12-02 13:40:07,656 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 572) no Hoare annotation was computed. [2023-12-02 13:40:07,656 INFO L899 garLoopResultBuilder]: For program point L713(lines 713 720) no Hoare annotation was computed. [2023-12-02 13:40:07,656 INFO L899 garLoopResultBuilder]: For program point L713-2(lines 713 720) no Hoare annotation was computed. [2023-12-02 13:40:07,656 INFO L899 garLoopResultBuilder]: For program point L350(line 350) no Hoare annotation was computed. [2023-12-02 13:40:07,656 INFO L899 garLoopResultBuilder]: For program point do_write_p_returnLabel#1(lines 132 171) no Hoare annotation was computed. [2023-12-02 13:40:07,656 INFO L895 garLoopResultBuilder]: At program point L400(line 400) the Hoare annotation is: (let ((.cse0 (not (= ~p_dw_st~0 0))) (.cse4 (= (+ ~c_num_read~0 1) ~p_num_write~0)) (.cse1 (not (= ~q_read_ev~0 1))) (.cse2 (= ~t1_pc~0 0)) (.cse3 (= ~p_last_write~0 ~q_buf_0~0)) (.cse5 (= ~m_st~0 0)) (.cse17 (not (= ~c_dr_st~0 0))) (.cse6 (= 1 ~c_dr_i~0)) (.cse8 (not (= ~q_read_ev~0 0))) (.cse9 (= ~c_dr_pc~0 1)) (.cse10 (= ~t1_st~0 0)) (.cse11 (= ~p_dw_pc~0 1)) (.cse7 (= ~q_free~0 0)) (.cse12 (= ~m_pc~0 0)) (.cse13 (= ~p_dw_i~0 1)) (.cse14 (= ~E_M~0 2)) (.cse15 (= ~token~0 ~local~0)) (.cse16 (= ~E_1~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (= ~q_write_ev~0 2) .cse12 .cse13 .cse14 .cse15 .cse16) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse17 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) (and .cse1 (= ~c_num_read~0 ~p_num_write~0) .cse2 .cse3 (not (= ~q_write_ev~0 0)) .cse5 .cse17 .cse6 .cse8 .cse9 .cse10 .cse11 (or (not (= ~q_req_up~0 1)) (not .cse7)) .cse12 .cse13 (not (= ~q_write_ev~0 1)) .cse14 .cse15 .cse16))) [2023-12-02 13:40:07,657 INFO L895 garLoopResultBuilder]: At program point L912(line 912) the Hoare annotation is: (let ((.cse9 (= ~m_st~0 0)) (.cse17 (= ~t1_pc~0 1)) (.cse0 (= ~p_dw_pc~0 0)) (.cse1 (= ~c_dr_st~0 0)) (.cse2 (= ~p_num_write~0 0)) (.cse3 (= ~c_num_read~0 0)) (.cse8 (= ~m_st~0 2)) (.cse4 (= ~t1_i~0 1)) (.cse5 (= ~p_last_write~0 ~q_buf_0~0)) (.cse6 (= ~q_free~0 0)) (.cse7 (= ~q_req_up~0 0)) (.cse10 (= ~p_dw_st~0 0)) (.cse11 (= ~c_dr_pc~0 0)) (.cse12 (= ~c_last_read~0 ~p_last_write~0)) (.cse13 (not (= ~q_write_ev~0 1))) (.cse14 (= ~E_M~0 2)) (.cse15 (= ~token~0 ~local~0)) (.cse16 (= ~E_1~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~t1_pc~0 0) .cse4 .cse5 .cse6 .cse7 (= ~t1_st~0 0) (= ~m_i~0 1) (or .cse8 .cse9) .cse10 .cse11 (= ~m_pc~0 0) .cse12 .cse13 .cse14 .cse15 .cse16) (and .cse17 .cse0 .cse1 (<= 2 ~E_1~0) .cse2 .cse3 .cse4 .cse5 (not (= ~m_pc~0 1)) .cse6 .cse10 (not .cse9) .cse11 .cse12 .cse14) (and .cse17 .cse0 .cse1 .cse2 .cse3 .cse8 .cse4 .cse5 .cse6 .cse7 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16))) [2023-12-02 13:40:07,657 INFO L899 garLoopResultBuilder]: For program point L400-1(line 400) no Hoare annotation was computed. [2023-12-02 13:40:07,657 INFO L899 garLoopResultBuilder]: For program point L912-1(line 912) no Hoare annotation was computed. [2023-12-02 13:40:07,657 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 144) no Hoare annotation was computed. [2023-12-02 13:40:07,657 INFO L899 garLoopResultBuilder]: For program point L962(lines 962 965) no Hoare annotation was computed. [2023-12-02 13:40:07,657 INFO L895 garLoopResultBuilder]: At program point L897(line 897) the Hoare annotation is: (and (= ~p_dw_pc~0 0) (= ~c_dr_st~0 0) (= ~p_num_write~0 0) (= ~c_num_read~0 0) (= ~t1_pc~0 0) (= ~t1_i~0 1) (= ~p_last_write~0 ~q_buf_0~0) (= ~m_st~0 0) (= ~q_free~0 0) (= ~q_req_up~0 0) (= ~t1_st~0 0) (= ~m_i~0 1) (= ~p_dw_st~0 0) (= ~c_dr_pc~0 0) (= ~m_pc~0 0) (= ~c_last_read~0 ~p_last_write~0) (not (= ~q_write_ev~0 1)) (= ~E_M~0 2) (= ~token~0 ~local~0) (= ~E_1~0 2)) [2023-12-02 13:40:07,657 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 356) no Hoare annotation was computed. [2023-12-02 13:40:07,657 INFO L899 garLoopResultBuilder]: For program point L897-1(line 897) no Hoare annotation was computed. [2023-12-02 13:40:07,657 INFO L899 garLoopResultBuilder]: For program point L352-1(lines 347 387) no Hoare annotation was computed. [2023-12-02 13:40:07,657 INFO L899 garLoopResultBuilder]: For program point L699(lines 699 706) no Hoare annotation was computed. [2023-12-02 13:40:07,657 INFO L899 garLoopResultBuilder]: For program point L699-2(lines 699 706) no Hoare annotation was computed. [2023-12-02 13:40:07,657 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 571) no Hoare annotation was computed. [2023-12-02 13:40:07,658 INFO L895 garLoopResultBuilder]: At program point L435(line 435) the Hoare annotation is: (let ((.cse0 (not (= ~q_read_ev~0 1))) (.cse1 (= ~t1_pc~0 0)) (.cse2 (= ~p_last_write~0 ~q_buf_0~0)) (.cse3 (= ~m_st~0 0)) (.cse4 (not (= ~c_dr_st~0 0))) (.cse5 (= 1 ~c_dr_i~0)) (.cse7 (not (= ~q_read_ev~0 0))) (.cse8 (= ~c_dr_pc~0 1)) (.cse9 (= ~t1_st~0 0)) (.cse10 (= ~p_dw_pc~0 1)) (.cse6 (= ~q_free~0 0)) (.cse11 (= ~m_pc~0 0)) (.cse12 (= ~p_dw_i~0 1)) (.cse13 (= ~E_M~0 2)) (.cse14 (= ~token~0 ~local~0)) (.cse15 (= ~E_1~0 2))) (or (and (not (= ~p_dw_st~0 0)) .cse0 .cse1 .cse2 (= (+ ~c_num_read~0 1) ~p_num_write~0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse0 (= ~c_num_read~0 ~p_num_write~0) .cse1 .cse2 (not (= ~q_write_ev~0 0)) .cse3 .cse4 .cse5 .cse7 .cse8 .cse9 .cse10 (or (not (= ~q_req_up~0 1)) (not .cse6)) .cse11 .cse12 (not (= ~q_write_ev~0 1)) .cse13 .cse14 .cse15))) [2023-12-02 13:40:07,658 INFO L899 garLoopResultBuilder]: For program point L435-1(line 435) no Hoare annotation was computed. [2023-12-02 13:40:07,658 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 143) no Hoare annotation was computed. [2023-12-02 13:40:07,658 INFO L895 garLoopResultBuilder]: At program point L585(line 585) the Hoare annotation is: (let ((.cse0 (= ~t1_pc~0 1)) (.cse1 (= ~p_dw_pc~0 0)) (.cse2 (= ~c_dr_st~0 0)) (.cse3 (<= 2 ~E_1~0)) (.cse4 (= ~p_num_write~0 0)) (.cse5 (= ~c_num_read~0 0)) (.cse6 (or (= |exists_runnable_thread2_#res| 1) (not (= ~t1_st~0 0)))) (.cse7 (= ~t1_i~0 1)) (.cse8 (= ~p_last_write~0 ~q_buf_0~0)) (.cse9 (= ~q_free~0 0)) (.cse10 (= ~p_dw_st~0 0)) (.cse11 (not (= ~m_st~0 0))) (.cse12 (= ~c_dr_pc~0 0)) (.cse13 (= ~c_last_read~0 ~p_last_write~0)) (.cse14 (not (= |ULTIMATE.start_eval2_~tmp~5#1| 0))) (.cse15 (= ~E_M~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (not (= ~m_pc~0 1)) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= (+ ~local~0 1) ~token~0) .cse8 .cse9 (= ~q_req_up~0 0) .cse10 .cse11 .cse12 .cse13 (not (= ~q_write_ev~0 1)) .cse14 .cse15))) [2023-12-02 13:40:07,658 INFO L899 garLoopResultBuilder]: For program point L585-1(line 585) no Hoare annotation was computed. [2023-12-02 13:40:07,658 INFO L895 garLoopResultBuilder]: At program point L420(line 420) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= ~p_dw_pc~0 0) (= ~c_dr_st~0 0) (= ~p_num_write~0 0) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= ~c_num_read~0 0) (= ~q_buf_0~0 0) (= ~t1_pc~0 0) (= ~p_last_write~0 0) (= ~T1_E~0 2) (= ~m_st~0 0) (= ~q_free~0 1) (= ~c_last_read~0 0) (= 1 ~c_dr_i~0) (= 2 (select |#length| 1)) (= |ULTIMATE.start_start_simulation1_~kernel_st~0#1| 0) (= (select |#valid| 3) 1) (= ~q_req_up~0 0) (= ~t1_st~0 0) (= ~q_ev~0 0) (= ~m_i~0 0) (= ~q_write_ev~0 2) (= ~p_dw_st~0 0) (= (select |#valid| 1) 1) (= 19 (select |#length| 2)) (= ~local~0 0) (= ~token~0 0) (= ~q_read_ev~0 2) (= ~c_dr_pc~0 0) (= ~m_pc~0 0) (= ~p_dw_i~0 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= ~E_M~0 2) (= ~a_t~0 0) (= (select .cse0 0) 48) (= (select .cse0 1) 0) (= ~E_1~0 2) (= ~M_E~0 2) (= ~t1_i~0 0))) [2023-12-02 13:40:07,658 INFO L899 garLoopResultBuilder]: For program point L420-1(line 420) no Hoare annotation was computed. [2023-12-02 13:40:07,659 INFO L895 garLoopResultBuilder]: At program point L899(line 899) the Hoare annotation is: (and (= ~p_dw_pc~0 0) (= ~c_dr_st~0 0) (= ~p_num_write~0 0) (= ~c_num_read~0 0) (= ~t1_pc~0 0) (= ~t1_i~0 1) (= ~p_last_write~0 ~q_buf_0~0) (= ~q_free~0 0) (= ~q_req_up~0 0) (= ~t1_st~0 0) (= ~m_i~0 1) (or (= ~m_st~0 2) (= ~m_st~0 0)) (= ~p_dw_st~0 0) (= ~c_dr_pc~0 0) (= ~m_pc~0 0) (= ~c_last_read~0 ~p_last_write~0) (not (= ~q_write_ev~0 1)) (= ~E_M~0 2) (= ~token~0 ~local~0) (= ~E_1~0 2)) [2023-12-02 13:40:07,659 INFO L895 garLoopResultBuilder]: At program point L899-1(line 899) the Hoare annotation is: (and (= ~p_dw_pc~0 0) (= ~c_dr_st~0 0) (= ~p_num_write~0 0) (= ~c_num_read~0 0) (= ~t1_pc~0 0) (= ~t1_i~0 1) (= ~p_last_write~0 ~q_buf_0~0) (= ~q_free~0 0) (= ~q_req_up~0 0) (= ~t1_st~0 0) (= ~m_i~0 1) (or (= ~m_st~0 2) (= ~m_st~0 0)) (= ~p_dw_st~0 0) (= ~c_dr_pc~0 0) (= ~m_pc~0 0) (= ~c_last_read~0 ~p_last_write~0) (not (= ~q_write_ev~0 1)) (= ~E_M~0 2) (= ~token~0 ~local~0) (= ~E_1~0 2)) [2023-12-02 13:40:07,659 INFO L899 garLoopResultBuilder]: For program point L189(lines 188 219) no Hoare annotation was computed. [2023-12-02 13:40:07,659 INFO L895 garLoopResultBuilder]: At program point L916(line 916) the Hoare annotation is: (let ((.cse9 (= ~m_st~0 0)) (.cse17 (= ~t1_pc~0 1)) (.cse0 (= ~p_dw_pc~0 0)) (.cse1 (= ~c_dr_st~0 0)) (.cse2 (= ~p_num_write~0 0)) (.cse3 (= ~c_num_read~0 0)) (.cse8 (= ~m_st~0 2)) (.cse4 (= ~t1_i~0 1)) (.cse5 (= ~p_last_write~0 ~q_buf_0~0)) (.cse6 (= ~q_free~0 0)) (.cse7 (= ~q_req_up~0 0)) (.cse10 (= ~p_dw_st~0 0)) (.cse11 (= ~c_dr_pc~0 0)) (.cse12 (= ~c_last_read~0 ~p_last_write~0)) (.cse13 (not (= ~q_write_ev~0 1))) (.cse14 (= ~E_M~0 2)) (.cse15 (= ~token~0 ~local~0)) (.cse16 (= ~E_1~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~t1_pc~0 0) .cse4 .cse5 .cse6 .cse7 (= ~t1_st~0 0) (= ~m_i~0 1) (or .cse8 .cse9) .cse10 .cse11 (= ~m_pc~0 0) .cse12 .cse13 .cse14 .cse15 .cse16) (and .cse17 .cse0 .cse1 (<= 2 ~E_1~0) .cse2 .cse3 .cse4 .cse5 (not (= ~m_pc~0 1)) .cse6 .cse10 (not .cse9) .cse11 .cse12 .cse14) (and .cse17 .cse0 .cse1 .cse2 .cse3 .cse8 .cse4 .cse5 .cse6 .cse7 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16))) [2023-12-02 13:40:07,659 INFO L895 garLoopResultBuilder]: At program point L916-1(line 916) the Hoare annotation is: (let ((.cse9 (= ~m_st~0 0)) (.cse17 (= ~t1_pc~0 1)) (.cse0 (= ~p_dw_pc~0 0)) (.cse1 (= ~c_dr_st~0 0)) (.cse2 (= ~p_num_write~0 0)) (.cse3 (= ~c_num_read~0 0)) (.cse8 (= ~m_st~0 2)) (.cse4 (= ~t1_i~0 1)) (.cse5 (= ~p_last_write~0 ~q_buf_0~0)) (.cse6 (= ~q_free~0 0)) (.cse7 (= ~q_req_up~0 0)) (.cse10 (= ~p_dw_st~0 0)) (.cse11 (= ~c_dr_pc~0 0)) (.cse12 (= ~c_last_read~0 ~p_last_write~0)) (.cse13 (not (= ~q_write_ev~0 1))) (.cse14 (= ~E_M~0 2)) (.cse15 (= ~token~0 ~local~0)) (.cse16 (= ~E_1~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~t1_pc~0 0) .cse4 .cse5 .cse6 .cse7 (= ~t1_st~0 0) (= ~m_i~0 1) (or .cse8 .cse9) .cse10 .cse11 (= ~m_pc~0 0) .cse12 .cse13 .cse14 .cse15 .cse16) (and .cse17 .cse0 .cse1 (<= 2 ~E_1~0) .cse2 .cse3 .cse4 .cse5 (not (= ~m_pc~0 1)) .cse6 .cse10 (not .cse9) .cse11 .cse12 .cse14) (and .cse17 .cse0 .cse1 .cse2 .cse3 .cse8 .cse4 .cse5 .cse6 .cse7 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16))) [2023-12-02 13:40:07,659 INFO L899 garLoopResultBuilder]: For program point start_simulation2_returnLabel#1(lines 889 947) no Hoare annotation was computed. [2023-12-02 13:40:07,659 INFO L899 garLoopResultBuilder]: For program point L206(lines 206 218) no Hoare annotation was computed. [2023-12-02 13:40:07,659 INFO L899 garLoopResultBuilder]: For program point L520(lines 520 528) no Hoare annotation was computed. [2023-12-02 13:40:07,660 INFO L895 garLoopResultBuilder]: At program point L900(line 900) the Hoare annotation is: (and (= ~p_dw_pc~0 0) (= ~c_dr_st~0 0) (= ~p_num_write~0 0) (= ~c_num_read~0 0) (= ~t1_pc~0 0) (= ~t1_i~0 1) (= ~p_last_write~0 ~q_buf_0~0) (= ~q_free~0 0) (= ~q_req_up~0 0) (= ~t1_st~0 0) (= ~m_i~0 1) (or (= ~m_st~0 2) (= ~m_st~0 0)) (= ~p_dw_st~0 0) (= ~c_dr_pc~0 0) (= ~m_pc~0 0) (= ~c_last_read~0 ~p_last_write~0) (not (= ~q_write_ev~0 1)) (= ~E_M~0 2) (= ~token~0 ~local~0) (= ~E_1~0 2)) [2023-12-02 13:40:07,660 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 13:40:07,660 INFO L899 garLoopResultBuilder]: For program point master_returnLabel#1(lines 516 559) no Hoare annotation was computed. [2023-12-02 13:40:07,660 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 190 200) no Hoare annotation was computed. [2023-12-02 13:40:07,660 INFO L895 garLoopResultBuilder]: At program point L537(line 537) the Hoare annotation is: (let ((.cse0 (= ~p_dw_pc~0 0)) (.cse1 (= ~c_dr_st~0 0)) (.cse2 (= ~p_num_write~0 0)) (.cse3 (= ~c_num_read~0 0)) (.cse4 (= ~t1_i~0 1)) (.cse5 (= ~p_last_write~0 ~q_buf_0~0)) (.cse6 (= ~E_1~0 1)) (.cse7 (= ~q_free~0 0)) (.cse8 (= ~q_req_up~0 0)) (.cse9 (= ~p_dw_st~0 0)) (.cse10 (not (= ~m_st~0 0))) (.cse11 (= ~c_dr_pc~0 0)) (.cse12 (= ~c_last_read~0 ~p_last_write~0)) (.cse13 (not (= ~q_write_ev~0 1))) (.cse14 (= ~E_M~0 2)) (.cse15 (= ~token~0 ~local~0)) (.cse16 (not (= |ULTIMATE.start_eval2_~tmp~5#1| 0)))) (or (and (= ~t1_pc~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) (and .cse0 .cse1 .cse2 .cse3 (= ~t1_pc~0 0) .cse4 .cse5 .cse6 .cse7 .cse8 (= ~t1_st~0 0) (= ~m_i~0 1) .cse9 .cse10 .cse11 (= ~m_pc~0 0) .cse12 .cse13 .cse14 .cse15 .cse16))) [2023-12-02 13:40:07,660 INFO L899 garLoopResultBuilder]: For program point L537-1(line 537) no Hoare annotation was computed. [2023-12-02 13:40:07,660 INFO L895 garLoopResultBuilder]: At program point L917(line 917) the Hoare annotation is: (let ((.cse9 (= ~m_st~0 0)) (.cse17 (= ~t1_pc~0 1)) (.cse0 (= ~p_dw_pc~0 0)) (.cse1 (= ~c_dr_st~0 0)) (.cse2 (= ~p_num_write~0 0)) (.cse3 (= ~c_num_read~0 0)) (.cse8 (= ~m_st~0 2)) (.cse4 (= ~t1_i~0 1)) (.cse5 (= ~p_last_write~0 ~q_buf_0~0)) (.cse6 (= ~q_free~0 0)) (.cse7 (= ~q_req_up~0 0)) (.cse10 (= ~p_dw_st~0 0)) (.cse11 (= ~c_dr_pc~0 0)) (.cse12 (= ~c_last_read~0 ~p_last_write~0)) (.cse13 (not (= ~q_write_ev~0 1))) (.cse14 (= ~E_M~0 2)) (.cse15 (= ~token~0 ~local~0)) (.cse16 (= ~E_1~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~t1_pc~0 0) .cse4 .cse5 .cse6 .cse7 (= ~t1_st~0 0) (= ~m_i~0 1) (or .cse8 .cse9) .cse10 .cse11 (= ~m_pc~0 0) .cse12 .cse13 .cse14 .cse15 .cse16) (and .cse17 .cse0 .cse1 (<= 2 ~E_1~0) .cse2 .cse3 .cse4 .cse5 (not (= ~m_pc~0 1)) .cse6 .cse10 (not .cse9) .cse11 .cse12 .cse14) (and .cse17 .cse0 .cse1 .cse2 .cse3 .cse8 .cse4 .cse5 .cse6 .cse7 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16))) [2023-12-02 13:40:07,661 INFO L895 garLoopResultBuilder]: At program point L372(lines 347 387) the Hoare annotation is: (let ((.cse8 (= ~q_free~0 0)) (.cse0 (= ~c_dr_st~0 0)) (.cse26 (= ~p_dw_st~0 0))) (let ((.cse30 (not .cse26)) (.cse31 (= (+ ~c_num_read~0 1) ~p_num_write~0)) (.cse19 (not (= ~q_read_ev~0 1))) (.cse20 (= ~c_num_read~0 ~p_num_write~0)) (.cse22 (not (= ~q_write_ev~0 0))) (.cse23 (not .cse0)) (.cse21 (not (= ~q_read_ev~0 0))) (.cse10 (= ~p_dw_pc~0 1)) (.cse1 (= ~q_req_up~0 1)) (.cse29 (not .cse8)) (.cse27 (not (= ~q_write_ev~0 1))) (.cse13 (= ~c_dr_pc~0 0)) (.cse32 (= ~p_dw_pc~0 0)) (.cse33 (= ~p_num_write~0 0)) (.cse2 (= ~c_num_read~0 0)) (.cse3 (not (= |ULTIMATE.start_eval1_~tmp___1~0#1| 0))) (.cse28 (= ~c_dr_st~0 2)) (.cse4 (= ~t1_pc~0 0)) (.cse5 (= ~p_last_write~0 ~q_buf_0~0)) (.cse6 (= ~m_st~0 0)) (.cse34 (= ~q_free~0 1)) (.cse7 (= 1 ~c_dr_i~0)) (.cse35 (= ~q_req_up~0 0)) (.cse24 (= ~c_dr_pc~0 1)) (.cse9 (= ~t1_st~0 0)) (.cse11 (= ~q_write_ev~0 2)) (.cse12 (= ~q_read_ev~0 2)) (.cse14 (= ~m_pc~0 0)) (.cse15 (= ~p_dw_i~0 1)) (.cse16 (= ~E_M~0 2)) (.cse17 (= ~token~0 ~local~0)) (.cse18 (= ~E_1~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (= 2 ~p_dw_st~0) .cse14 .cse15 (= ~p_num_write~0 1) .cse16 .cse17 .cse18) (and .cse19 .cse20 .cse6 .cse21 (let ((.cse25 (or .cse3 (and .cse1 .cse29 .cse11)))) (or (and .cse4 .cse5 .cse22 .cse23 .cse7 .cse24 .cse25 .cse9 .cse10 .cse26 .cse15 .cse27 .cse16 .cse17 .cse18) (and .cse28 .cse4 .cse5 .cse7 .cse24 .cse25 .cse9 .cse10 .cse26 .cse15 .cse16 .cse17 .cse18))) .cse14) (and .cse30 .cse19 .cse4 .cse5 .cse31 .cse6 .cse7 .cse8 .cse21 .cse24 .cse9 .cse10 .cse11 .cse14 .cse15 .cse16 .cse17 .cse18) (and .cse30 .cse19 .cse4 .cse5 .cse31 .cse6 .cse23 .cse7 .cse8 .cse21 .cse24 .cse9 .cse10 .cse14 .cse15 .cse16 .cse17 .cse18) (and .cse19 .cse20 .cse4 .cse5 .cse22 .cse6 .cse23 .cse7 .cse21 .cse24 .cse9 .cse10 (or (not .cse1) .cse29) .cse14 .cse15 .cse27 .cse16 .cse17 .cse18) (let ((.cse36 (select |#memory_int| 1))) (and .cse32 .cse0 .cse33 (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) .cse2 (= ~q_buf_0~0 0) .cse4 (= ~p_last_write~0 0) (= ~T1_E~0 2) .cse6 .cse34 (= ~c_last_read~0 0) .cse7 (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) .cse35 .cse9 (= ~m_i~0 0) .cse11 .cse26 (= (select |#valid| 1) 1) (= 19 (select |#length| 2)) (= ~local~0 0) (= ~token~0 0) .cse12 .cse13 .cse14 .cse15 (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) .cse16 (= ~a_t~0 0) (= |ULTIMATE.start_start_simulation1_~kernel_st~0#1| 1) (= (select .cse36 0) 48) (= (select .cse36 1) 0) .cse18 (= ~M_E~0 2) (= ~t1_i~0 0))) (and .cse32 .cse33 .cse2 .cse3 .cse28 .cse4 .cse5 .cse6 .cse34 .cse7 .cse35 .cse24 .cse9 .cse11 .cse26 .cse12 .cse14 .cse15 (= ~c_last_read~0 ~p_last_write~0) .cse16 .cse17 .cse18)))) [2023-12-02 13:40:07,661 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 213) no Hoare annotation was computed. [2023-12-02 13:40:07,661 INFO L895 garLoopResultBuilder]: At program point L422(line 422) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= ~p_dw_pc~0 0) (= ~c_dr_st~0 0) (= ~p_num_write~0 0) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= ~c_num_read~0 0) (= ~q_buf_0~0 0) (= ~t1_pc~0 0) (= ~p_last_write~0 0) (= ~T1_E~0 2) (= ~m_st~0 0) (= ~q_free~0 1) (= ~c_last_read~0 0) (= 1 ~c_dr_i~0) (= 2 (select |#length| 1)) (= |ULTIMATE.start_start_simulation1_~kernel_st~0#1| 0) (= (select |#valid| 3) 1) (= ~q_req_up~0 0) (= ~t1_st~0 0) (= ~q_ev~0 0) (= ~m_i~0 0) (= ~q_write_ev~0 2) (= ~p_dw_st~0 0) (= (select |#valid| 1) 1) (= 19 (select |#length| 2)) (= ~local~0 0) (= ~token~0 0) (= ~q_read_ev~0 2) (= ~c_dr_pc~0 0) (= ~m_pc~0 0) (= ~p_dw_i~0 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= ~E_M~0 2) (= ~a_t~0 0) (= (select .cse0 0) 48) (= (select .cse0 1) 0) (= ~E_1~0 2) (= ~M_E~0 2) (= ~t1_i~0 0))) [2023-12-02 13:40:07,661 INFO L895 garLoopResultBuilder]: At program point L422-1(line 422) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= ~p_dw_pc~0 0) (= ~c_dr_st~0 0) (= ~p_num_write~0 0) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= ~c_num_read~0 0) (= ~q_buf_0~0 0) (= ~t1_pc~0 0) (= ~p_last_write~0 0) (= ~T1_E~0 2) (= ~m_st~0 0) (= ~q_free~0 1) (= ~c_last_read~0 0) (= 1 ~c_dr_i~0) (= 2 (select |#length| 1)) (= |ULTIMATE.start_start_simulation1_~kernel_st~0#1| 0) (= (select |#valid| 3) 1) (= ~q_req_up~0 0) (= ~t1_st~0 0) (= ~q_ev~0 0) (= ~m_i~0 0) (= ~q_write_ev~0 2) (= ~p_dw_st~0 0) (= (select |#valid| 1) 1) (= 19 (select |#length| 2)) (= ~local~0 0) (= ~token~0 0) (= ~q_read_ev~0 2) (= ~c_dr_pc~0 0) (= ~m_pc~0 0) (= ~p_dw_i~0 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= ~E_M~0 2) (= ~a_t~0 0) (= (select .cse0 0) 48) (= (select .cse0 1) 0) (= ~E_1~0 2) (= ~M_E~0 2) (= ~t1_i~0 0))) [2023-12-02 13:40:07,661 INFO L895 garLoopResultBuilder]: At program point L439(line 439) the Hoare annotation is: (let ((.cse0 (= ~t1_pc~0 0)) (.cse1 (= ~p_last_write~0 ~q_buf_0~0)) (.cse2 (= ~m_st~0 0)) (.cse3 (not (= ~c_dr_st~0 0))) (.cse4 (= 1 ~c_dr_i~0)) (.cse6 (= ~c_dr_pc~0 1)) (.cse7 (= ~t1_st~0 0)) (.cse8 (= ~p_dw_pc~0 1)) (.cse5 (= ~q_free~0 0)) (.cse9 (= ~m_pc~0 0)) (.cse10 (= ~p_dw_i~0 1)) (.cse11 (= ~E_M~0 2)) (.cse12 (= ~token~0 ~local~0)) (.cse13 (= ~E_1~0 2))) (or (and (not (= ~p_dw_st~0 0)) (not (= ~q_read_ev~0 1)) .cse0 .cse1 (= (+ ~c_num_read~0 1) ~p_num_write~0) .cse2 .cse3 .cse4 .cse5 (not (= ~q_read_ev~0 0)) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and (= ~c_num_read~0 ~p_num_write~0) .cse0 .cse1 (not (= ~q_write_ev~0 0)) .cse2 .cse3 .cse4 .cse6 .cse7 .cse8 (or (not (= ~q_req_up~0 1)) (not .cse5)) .cse9 .cse10 (not (= ~q_write_ev~0 1)) .cse11 .cse12 .cse13))) [2023-12-02 13:40:07,662 INFO L895 garLoopResultBuilder]: At program point L439-1(line 439) the Hoare annotation is: (let ((.cse0 (= ~t1_pc~0 0)) (.cse1 (= ~p_last_write~0 ~q_buf_0~0)) (.cse2 (= ~m_st~0 0)) (.cse3 (not (= ~c_dr_st~0 0))) (.cse4 (= 1 ~c_dr_i~0)) (.cse6 (not (= ~q_read_ev~0 0))) (.cse7 (= ~c_dr_pc~0 1)) (.cse8 (= ~t1_st~0 0)) (.cse9 (= ~p_dw_pc~0 1)) (.cse5 (= ~q_free~0 0)) (.cse10 (= ~m_pc~0 0)) (.cse11 (= ~p_dw_i~0 1)) (.cse12 (= ~E_M~0 2)) (.cse13 (= ~token~0 ~local~0)) (.cse14 (= ~E_1~0 2))) (or (and (not (= ~p_dw_st~0 0)) (not (= ~q_read_ev~0 1)) .cse0 .cse1 (= (+ ~c_num_read~0 1) ~p_num_write~0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and (= ~c_num_read~0 ~p_num_write~0) .cse0 .cse1 (not (= ~q_write_ev~0 0)) .cse2 .cse3 .cse4 .cse6 .cse7 .cse8 .cse9 (or (not (= ~q_req_up~0 1)) (not .cse5)) .cse10 .cse11 (not (= ~q_write_ev~0 1)) .cse12 .cse13 .cse14))) [2023-12-02 13:40:07,662 INFO L899 garLoopResultBuilder]: For program point start_simulation1_returnLabel#1(lines 413 455) no Hoare annotation was computed. [2023-12-02 13:40:07,662 INFO L895 garLoopResultBuilder]: At program point L918(line 918) the Hoare annotation is: (let ((.cse9 (= ~m_st~0 0)) (.cse17 (= ~t1_pc~0 1)) (.cse0 (= ~p_dw_pc~0 0)) (.cse1 (= ~c_dr_st~0 0)) (.cse2 (= ~p_num_write~0 0)) (.cse3 (= ~c_num_read~0 0)) (.cse8 (= ~m_st~0 2)) (.cse4 (= ~t1_i~0 1)) (.cse5 (= ~p_last_write~0 ~q_buf_0~0)) (.cse6 (= ~q_free~0 0)) (.cse7 (= ~q_req_up~0 0)) (.cse10 (= ~p_dw_st~0 0)) (.cse11 (= ~c_dr_pc~0 0)) (.cse12 (= ~c_last_read~0 ~p_last_write~0)) (.cse13 (not (= ~q_write_ev~0 1))) (.cse14 (= ~E_M~0 2)) (.cse15 (= ~token~0 ~local~0)) (.cse16 (= ~E_1~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~t1_pc~0 0) .cse4 .cse5 .cse6 .cse7 (= ~t1_st~0 0) (= ~m_i~0 1) (or .cse8 .cse9) .cse10 .cse11 (= ~m_pc~0 0) .cse12 .cse13 .cse14 .cse15 .cse16) (and .cse17 .cse0 .cse1 (<= 2 ~E_1~0) .cse2 .cse3 .cse4 .cse5 (not (= ~m_pc~0 1)) .cse6 .cse10 (not .cse9) .cse11 .cse12 .cse14) (and .cse17 .cse0 .cse1 .cse2 .cse3 .cse8 .cse4 .cse5 .cse6 .cse7 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16))) [2023-12-02 13:40:07,662 INFO L895 garLoopResultBuilder]: At program point L687(line 687) the Hoare annotation is: (let ((.cse12 (= ~m_st~0 0)) (.cse21 (= ~t1_pc~0 1)) (.cse23 (<= 2 ~t1_st~0)) (.cse22 (<= 2 ~E_1~0)) (.cse8 (= ~q_req_up~0 0)) (.cse17 (not (= ~q_write_ev~0 1))) (.cse0 (= ~p_dw_pc~0 0)) (.cse1 (= ~c_dr_st~0 0)) (.cse2 (= ~p_num_write~0 0)) (.cse3 (= ~c_num_read~0 0)) (.cse11 (= ~m_st~0 2)) (.cse4 (= ~t1_pc~0 0)) (.cse5 (= ~t1_i~0 1)) (.cse6 (= ~p_last_write~0 ~q_buf_0~0)) (.cse7 (= ~q_free~0 0)) (.cse9 (= ~t1_st~0 0)) (.cse10 (= ~m_i~0 1)) (.cse13 (= ~p_dw_st~0 0)) (.cse14 (= ~c_dr_pc~0 0)) (.cse15 (= ~m_pc~0 0)) (.cse16 (= ~c_last_read~0 ~p_last_write~0)) (.cse18 (= ~E_M~0 2)) (.cse19 (= ~token~0 ~local~0)) (.cse20 (= ~E_1~0 2)) (.cse24 (not (= |ULTIMATE.start_eval2_~tmp~5#1| 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (or .cse11 .cse12) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20) (and .cse21 .cse0 .cse1 .cse22 .cse2 .cse3 .cse5 .cse6 (not (= ~m_pc~0 1)) .cse7 .cse13 (not .cse12) .cse14 .cse16 .cse18) (and .cse21 .cse0 .cse1 .cse2 .cse3 .cse11 .cse5 .cse6 .cse7 .cse8 .cse13 .cse14 .cse16 .cse17 .cse18 .cse19 .cse20) (and .cse21 .cse23 .cse0 .cse1 .cse22 .cse2 .cse3 .cse5 (= (+ ~local~0 1) ~token~0) .cse6 .cse12 .cse7 .cse8 .cse13 .cse14 .cse16 .cse17 .cse18 .cse24) (and .cse21 .cse23 .cse0 .cse1 .cse22 .cse2 .cse3 .cse5 .cse6 .cse7 .cse8 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse24) (and .cse0 .cse1 .cse2 .cse3 .cse11 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse13 .cse14 .cse16 .cse17 .cse18 .cse19 .cse20 .cse24) (and .cse0 .cse1 .cse2 .cse3 .cse11 .cse4 .cse5 .cse6 .cse7 .cse9 .cse10 .cse13 .cse14 .cse15 .cse16 .cse18 .cse19 .cse20 .cse24))) [2023-12-02 13:40:07,662 INFO L895 garLoopResultBuilder]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= ~p_dw_pc~0 0) (= ~c_dr_st~0 0) (= ~p_num_write~0 0) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= ~c_num_read~0 0) (= ~q_buf_0~0 0) (= ~t1_pc~0 0) (= ~p_last_write~0 0) (= ~T1_E~0 2) (= ~m_st~0 0) (= ~q_free~0 1) (= ~c_last_read~0 0) (= 1 ~c_dr_i~0) (= 2 (select |#length| 1)) (= |ULTIMATE.start_start_simulation1_~kernel_st~0#1| 0) (= (select |#valid| 3) 1) (= ~q_req_up~0 0) (= ~t1_st~0 0) (= ~q_ev~0 0) (= ~m_i~0 0) (= ~q_write_ev~0 2) (= ~p_dw_st~0 0) (= (select |#valid| 1) 1) (= 19 (select |#length| 2)) (= ~local~0 0) (= ~token~0 0) (= ~q_read_ev~0 2) (= ~c_dr_pc~0 0) (= ~m_pc~0 0) (= ~p_dw_i~0 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= ~E_M~0 2) (= ~a_t~0 0) (= (select .cse0 0) 48) (= (select .cse0 1) 0) (= ~E_1~0 2) (= ~M_E~0 2) (= ~t1_i~0 0))) [2023-12-02 13:40:07,662 INFO L899 garLoopResultBuilder]: For program point L357(lines 347 387) no Hoare annotation was computed. [2023-12-02 13:40:07,663 INFO L895 garLoopResultBuilder]: At program point L440(line 440) the Hoare annotation is: (let ((.cse17 (= ~q_write_ev~0 1)) (.cse7 (= ~q_free~0 0)) (.cse21 (= ~p_dw_st~0 0))) (let ((.cse0 (not .cse21)) (.cse4 (= (+ ~c_num_read~0 1) ~p_num_write~0)) (.cse1 (not (= ~q_read_ev~0 1))) (.cse18 (= ~c_num_read~0 ~p_num_write~0)) (.cse2 (= ~t1_pc~0 0)) (.cse3 (= ~p_last_write~0 ~q_buf_0~0)) (.cse19 (not (= ~q_write_ev~0 0))) (.cse5 (= ~m_st~0 0)) (.cse20 (not (= ~c_dr_st~0 0))) (.cse6 (= 1 ~c_dr_i~0)) (.cse8 (not (= ~q_read_ev~0 0))) (.cse9 (= ~c_dr_pc~0 1)) (.cse10 (= ~t1_st~0 0)) (.cse11 (= ~p_dw_pc~0 1)) (.cse22 (or (not (= ~q_req_up~0 1)) (not .cse7))) (.cse12 (= ~m_pc~0 0)) (.cse13 (= ~p_dw_i~0 1)) (.cse23 (not .cse17)) (.cse14 (= ~E_M~0 2)) (.cse15 (= ~token~0 ~local~0)) (.cse16 (= ~E_1~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (and .cse18 .cse2 .cse3 .cse19 .cse5 .cse20 .cse6 .cse8 .cse9 .cse10 .cse11 .cse21 .cse22 .cse12 .cse13 .cse23 .cse14 .cse15 .cse16) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse20 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) (and .cse1 .cse18 .cse2 .cse3 .cse19 .cse5 .cse20 .cse6 .cse8 .cse9 .cse10 .cse11 .cse22 .cse12 .cse13 .cse23 .cse14 .cse15 .cse16)))) [2023-12-02 13:40:07,663 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 527) no Hoare annotation was computed. [2023-12-02 13:40:07,663 INFO L899 garLoopResultBuilder]: For program point L936(lines 936 940) no Hoare annotation was computed. [2023-12-02 13:40:07,663 INFO L899 garLoopResultBuilder]: For program point eval2_returnLabel#1(lines 680 730) no Hoare annotation was computed. [2023-12-02 13:40:07,663 INFO L899 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2023-12-02 13:40:07,663 INFO L899 garLoopResultBuilder]: For program point L177(lines 177 185) no Hoare annotation was computed. [2023-12-02 13:40:07,663 INFO L899 garLoopResultBuilder]: For program point L689(line 689) no Hoare annotation was computed. [2023-12-02 13:40:07,663 INFO L895 garLoopResultBuilder]: At program point L904-1(lines 904 941) the Hoare annotation is: (let ((.cse9 (= ~m_st~0 0)) (.cse17 (= ~t1_pc~0 1)) (.cse0 (= ~p_dw_pc~0 0)) (.cse1 (= ~c_dr_st~0 0)) (.cse2 (= ~p_num_write~0 0)) (.cse3 (= ~c_num_read~0 0)) (.cse8 (= ~m_st~0 2)) (.cse4 (= ~t1_i~0 1)) (.cse5 (= ~p_last_write~0 ~q_buf_0~0)) (.cse6 (= ~q_free~0 0)) (.cse7 (= ~q_req_up~0 0)) (.cse10 (= ~p_dw_st~0 0)) (.cse11 (= ~c_dr_pc~0 0)) (.cse12 (= ~c_last_read~0 ~p_last_write~0)) (.cse13 (not (= ~q_write_ev~0 1))) (.cse14 (= ~E_M~0 2)) (.cse15 (= ~token~0 ~local~0)) (.cse16 (= ~E_1~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~t1_pc~0 0) .cse4 .cse5 .cse6 .cse7 (= ~t1_st~0 0) (= ~m_i~0 1) (or .cse8 .cse9) .cse10 .cse11 (= ~m_pc~0 0) .cse12 .cse13 .cse14 .cse15 .cse16) (and .cse17 .cse0 .cse1 (<= 2 ~E_1~0) .cse2 .cse3 .cse4 .cse5 (not (= ~m_pc~0 1)) .cse6 .cse10 (not .cse9) .cse11 .cse12 .cse14) (and .cse17 .cse0 .cse1 .cse2 .cse3 .cse8 .cse4 .cse5 .cse6 .cse7 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16))) [2023-12-02 13:40:07,663 INFO L899 garLoopResultBuilder]: For program point do_read_c_returnLabel#1(lines 173 225) no Hoare annotation was computed. [2023-12-02 13:40:07,663 INFO L899 garLoopResultBuilder]: For program point L921(line 921) no Hoare annotation was computed. [2023-12-02 13:40:07,663 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 383) no Hoare annotation was computed. [2023-12-02 13:40:07,664 INFO L895 garLoopResultBuilder]: At program point L211(line 211) the Hoare annotation is: false [2023-12-02 13:40:07,664 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 13:40:07,664 INFO L895 garLoopResultBuilder]: At program point L575-1(lines 575 588) the Hoare annotation is: (let ((.cse7 (= ~q_req_up~0 0)) (.cse11 (not (= ~q_write_ev~0 1))) (.cse0 (= ~p_dw_pc~0 0)) (.cse1 (= ~c_dr_st~0 0)) (.cse14 (<= 2 ~E_1~0)) (.cse2 (= ~p_num_write~0 0)) (.cse3 (= ~c_num_read~0 0)) (.cse4 (= ~t1_i~0 1)) (.cse5 (= ~p_last_write~0 ~q_buf_0~0)) (.cse6 (= ~q_free~0 0)) (.cse8 (= ~p_dw_st~0 0)) (.cse15 (= ~m_st~0 0)) (.cse9 (= ~c_dr_pc~0 0)) (.cse10 (= ~c_last_read~0 ~p_last_write~0)) (.cse12 (= ~E_M~0 2)) (.cse13 (not (= |ULTIMATE.start_eval2_~tmp~5#1| 0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~m_st~0 2) (or (= |exists_runnable_thread2_#res| 1) (not (= ~t1_st~0 0))) (= ~t1_pc~0 0) .cse4 .cse5 .cse6 .cse7 (= ~m_i~0 1) .cse8 .cse9 .cse10 .cse11 .cse12 (= ~token~0 ~local~0) (= ~E_1~0 2) .cse13) (and .cse0 .cse1 .cse14 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= ~m_pc~0 0) .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse14 .cse2 .cse3 .cse4 (= (+ ~local~0 1) ~token~0) .cse5 .cse15 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse14 .cse2 .cse3 .cse4 .cse5 (not (= ~m_pc~0 1)) .cse6 .cse8 (not .cse15) .cse9 .cse10 .cse12 .cse13))) [2023-12-02 13:40:07,664 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 695) no Hoare annotation was computed. [2023-12-02 13:40:07,664 INFO L899 garLoopResultBuilder]: For program point L691-1(lines 686 724) no Hoare annotation was computed. [2023-12-02 13:40:07,665 INFO L895 garLoopResultBuilder]: At program point L427-1(lines 427 449) the Hoare annotation is: (let ((.cse0 (= ~c_dr_st~0 0)) (.cse6 (= ~p_dw_st~0 0))) (let ((.cse5 (= ~q_write_ev~0 2)) (.cse13 (not .cse6)) (.cse16 (= (+ ~c_num_read~0 1) ~p_num_write~0)) (.cse14 (not (= ~q_read_ev~0 1))) (.cse1 (= ~t1_pc~0 0)) (.cse15 (= ~p_last_write~0 ~q_buf_0~0)) (.cse2 (= ~m_st~0 0)) (.cse21 (not .cse0)) (.cse3 (= 1 ~c_dr_i~0)) (.cse18 (not (= ~q_read_ev~0 0))) (.cse19 (= ~c_dr_pc~0 1)) (.cse4 (= ~t1_st~0 0)) (.cse20 (= ~p_dw_pc~0 1)) (.cse17 (= ~q_free~0 0)) (.cse7 (= ~m_pc~0 0)) (.cse8 (= ~p_dw_i~0 1)) (.cse9 (= ~E_M~0 2)) (.cse11 (= ~token~0 ~local~0)) (.cse12 (= ~E_1~0 2))) (or (let ((.cse10 (select |#memory_int| 1))) (and (= ~p_dw_pc~0 0) .cse0 (= ~p_num_write~0 0) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= ~c_num_read~0 0) (= ~q_buf_0~0 0) .cse1 (= ~p_last_write~0 0) (= ~T1_E~0 2) .cse2 (= ~q_free~0 1) (= ~c_last_read~0 0) .cse3 (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= ~q_req_up~0 0) .cse4 (= ~m_i~0 0) .cse5 .cse6 (= (select |#valid| 1) 1) (= 19 (select |#length| 2)) (= ~token~0 0) (= ~q_read_ev~0 2) (= ~c_dr_pc~0 0) .cse7 .cse8 (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) .cse9 (= ~a_t~0 0) (= (select .cse10 0) 48) .cse11 (= (select .cse10 1) 0) .cse12 (= ~M_E~0 2) (= ~t1_i~0 0))) (and .cse13 .cse14 .cse1 .cse15 .cse16 .cse2 .cse3 .cse17 .cse18 .cse19 .cse4 .cse20 .cse5 .cse7 .cse8 .cse9 .cse11 .cse12) (and .cse13 .cse14 .cse1 .cse15 .cse16 .cse2 .cse21 .cse3 .cse17 .cse18 .cse19 .cse4 .cse20 .cse7 .cse8 .cse9 .cse11 .cse12) (and .cse14 (= ~c_num_read~0 ~p_num_write~0) .cse1 .cse15 (not (= ~q_write_ev~0 0)) .cse2 .cse21 .cse3 .cse18 .cse19 .cse4 .cse20 (or (not (= ~q_req_up~0 1)) (not .cse17)) .cse7 .cse8 (not (= ~q_write_ev~0 1)) .cse9 .cse11 .cse12)))) [2023-12-02 13:40:07,665 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 368) no Hoare annotation was computed. [2023-12-02 13:40:07,665 INFO L899 garLoopResultBuilder]: For program point eval1_returnLabel#1(lines 340 393) no Hoare annotation was computed. [2023-12-02 13:40:07,665 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 448) no Hoare annotation was computed. [2023-12-02 13:40:07,665 INFO L899 garLoopResultBuilder]: For program point L923(lines 923 932) no Hoare annotation was computed. [2023-12-02 13:40:07,665 INFO L899 garLoopResultBuilder]: For program point L923-2(lines 923 932) no Hoare annotation was computed. [2023-12-02 13:40:07,665 INFO L899 garLoopResultBuilder]: For program point L180(lines 180 184) no Hoare annotation was computed. [2023-12-02 13:40:07,666 INFO L895 garLoopResultBuilder]: At program point L147-1(lines 147 165) the Hoare annotation is: (let ((.cse5 (= ~c_dr_st~0 0)) (.cse19 (<= 1 |#StackHeapBarrier|)) (.cse21 (not (= |ULTIMATE.start_eval1_~tmp___1~0#1| 0))) (.cse22 (= ~T1_E~0 2)) (.cse24 (= ~c_last_read~0 0)) (.cse7 (= ~q_free~0 0)) (.cse26 (<= |ULTIMATE.start_eval1_~tmp~2#1| 2147483647)) (.cse27 (= ~m_i~0 0)) (.cse28 (= ~p_dw_st~0 1)) (.cse29 (<= 0 (+ |ULTIMATE.start_eval1_~tmp~2#1| 2147483648))) (.cse30 (<= 0 |ULTIMATE.start_eval1_~tmp___1~0#1|)) (.cse31 (= ~local~0 0)) (.cse32 (= ~token~0 0)) (.cse33 (not (= |ULTIMATE.start_eval1_~tmp~2#1| 0))) (.cse35 (= ~c_dr_pc~0 0)) (.cse36 (<= |ULTIMATE.start_eval1_~tmp___1~0#1| 1)) (.cse37 (= ~a_t~0 0)) (.cse38 (= |ULTIMATE.start_start_simulation1_~kernel_st~0#1| 1)) (.cse40 (= ~M_E~0 2)) (.cse41 (= ~t1_i~0 0)) (.cse16 (= ~p_dw_pc~0 0)) (.cse18 (= ~p_num_write~0 0)) (.cse0 (not (= ~p_dw_st~0 0))) (.cse20 (= ~c_num_read~0 0)) (.cse15 (= ~c_dr_st~0 2)) (.cse3 (= ~t1_pc~0 0)) (.cse4 (= ~p_last_write~0 ~q_buf_0~0)) (.cse1 (= ~m_st~0 0)) (.cse23 (= ~q_free~0 1)) (.cse6 (= 1 ~c_dr_i~0)) (.cse25 (= ~q_req_up~0 0)) (.cse8 (= ~c_dr_pc~0 1)) (.cse9 (= ~t1_st~0 0)) (.cse17 (= ~q_write_ev~0 2)) (.cse34 (= ~q_read_ev~0 2)) (.cse2 (= ~m_pc~0 0)) (.cse11 (= ~p_dw_i~0 1)) (.cse12 (= ~E_M~0 2)) (.cse13 (= ~token~0 ~local~0)) (.cse14 (= ~E_1~0 2))) (or (and .cse0 (not (= ~q_read_ev~0 1)) (= (+ ~c_num_read~0 1) ~p_num_write~0) .cse1 (not (= ~q_read_ev~0 0)) .cse2 (let ((.cse10 (or (and .cse16 .cse17) (= ~p_dw_pc~0 1)))) (or (and .cse3 .cse4 (not (= ~q_write_ev~0 0)) (not .cse5) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (not (= ~q_write_ev~0 1)) .cse12 .cse13 .cse14) (and .cse15 .cse3 .cse4 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14)))) (let ((.cse39 (select |#memory_int| 1))) (and .cse16 .cse5 .cse18 (= (select |#length| 3) 12) .cse19 .cse20 (= ~q_buf_0~0 0) .cse21 .cse3 (= ~p_last_write~0 0) .cse22 .cse1 .cse23 .cse24 .cse6 (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) .cse25 .cse9 .cse26 .cse27 .cse17 .cse28 .cse29 .cse30 (= (select |#valid| 1) 1) (= 19 (select |#length| 2)) .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse2 .cse11 (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) .cse12 .cse37 .cse38 (= (select .cse39 0) 48) (= (select .cse39 1) 0) .cse14 .cse40 .cse41)) (and .cse16 .cse5 (= ~q_req_up~0 1) .cse19 .cse20 .cse21 .cse3 .cse4 .cse22 .cse1 .cse24 .cse6 .cse7 .cse9 .cse26 .cse27 (<= 0 (+ ~p_last_write~0 2147483648)) .cse17 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse2 .cse11 (= ~p_num_write~0 1) (<= ~p_last_write~0 2147483647) .cse12 .cse37 .cse38 .cse14 .cse40 .cse41) (and .cse16 .cse18 .cse0 .cse20 .cse15 .cse3 .cse4 .cse1 .cse23 .cse6 (= |ULTIMATE.start_eval1_~tmp___1~0#1| 1) .cse25 .cse8 .cse9 .cse17 .cse34 .cse2 .cse11 (= ~c_last_read~0 ~p_last_write~0) .cse12 .cse13 .cse14))) [2023-12-02 13:40:07,666 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2023-12-02 13:40:07,666 INFO L899 garLoopResultBuilder]: For program point L148(lines 147 165) no Hoare annotation was computed. [2023-12-02 13:40:07,666 INFO L895 garLoopResultBuilder]: At program point L710-1(lines 686 724) the Hoare annotation is: (let ((.cse12 (= ~m_st~0 0)) (.cse21 (= ~t1_pc~0 1)) (.cse23 (<= 2 ~t1_st~0)) (.cse22 (<= 2 ~E_1~0)) (.cse8 (= ~q_req_up~0 0)) (.cse17 (not (= ~q_write_ev~0 1))) (.cse0 (= ~p_dw_pc~0 0)) (.cse1 (= ~c_dr_st~0 0)) (.cse2 (= ~p_num_write~0 0)) (.cse3 (= ~c_num_read~0 0)) (.cse11 (= ~m_st~0 2)) (.cse4 (= ~t1_pc~0 0)) (.cse5 (= ~t1_i~0 1)) (.cse6 (= ~p_last_write~0 ~q_buf_0~0)) (.cse7 (= ~q_free~0 0)) (.cse9 (= ~t1_st~0 0)) (.cse10 (= ~m_i~0 1)) (.cse13 (= ~p_dw_st~0 0)) (.cse14 (= ~c_dr_pc~0 0)) (.cse15 (= ~m_pc~0 0)) (.cse16 (= ~c_last_read~0 ~p_last_write~0)) (.cse18 (= ~E_M~0 2)) (.cse19 (= ~token~0 ~local~0)) (.cse20 (= ~E_1~0 2)) (.cse24 (not (= |ULTIMATE.start_eval2_~tmp~5#1| 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (or .cse11 .cse12) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20) (and .cse21 .cse0 .cse1 .cse22 .cse2 .cse3 .cse5 .cse6 (not (= ~m_pc~0 1)) .cse7 .cse13 (not .cse12) .cse14 .cse16 .cse18) (and .cse21 .cse0 .cse1 .cse2 .cse3 .cse11 .cse5 .cse6 .cse7 .cse8 .cse13 .cse14 .cse16 .cse17 .cse18 .cse19 .cse20) (and .cse21 .cse23 .cse0 .cse1 .cse22 .cse2 .cse3 .cse5 (= (+ ~local~0 1) ~token~0) .cse6 .cse12 .cse7 .cse8 .cse13 .cse14 .cse16 .cse17 .cse18 .cse24) (and .cse21 .cse23 .cse0 .cse1 .cse22 .cse2 .cse3 .cse5 .cse6 .cse7 .cse8 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse24) (and .cse0 .cse1 .cse2 .cse3 .cse11 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse13 .cse14 .cse16 .cse17 .cse18 .cse19 .cse20 .cse24) (and .cse0 .cse1 .cse2 .cse3 .cse11 .cse4 .cse5 .cse6 .cse7 .cse9 .cse10 .cse13 .cse14 .cse15 .cse16 .cse18 .cse19 .cse20 .cse24))) [2023-12-02 13:40:07,666 INFO L899 garLoopResultBuilder]: For program point $Ultimate##101(lines 545 551) no Hoare annotation was computed. [2023-12-02 13:40:07,667 INFO L895 garLoopResultBuilder]: At program point L545-1(lines 531 552) the Hoare annotation is: (let ((.cse15 (= ~t1_pc~0 1)) (.cse0 (= ~p_dw_pc~0 0)) (.cse1 (= ~c_dr_st~0 0)) (.cse16 (<= 2 ~E_1~0)) (.cse2 (= ~p_num_write~0 0)) (.cse3 (= ~c_num_read~0 0)) (.cse4 (= ~t1_i~0 1)) (.cse5 (= ~p_last_write~0 ~q_buf_0~0)) (.cse6 (= ~q_free~0 0)) (.cse7 (= ~q_req_up~0 0)) (.cse8 (= ~p_dw_st~0 0)) (.cse9 (not (= ~m_st~0 0))) (.cse10 (= ~c_dr_pc~0 0)) (.cse11 (= ~c_last_read~0 ~p_last_write~0)) (.cse12 (not (= ~q_write_ev~0 1))) (.cse13 (= ~E_M~0 2)) (.cse14 (not (= |ULTIMATE.start_eval2_~tmp~5#1| 0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~t1_pc~0 0) .cse4 .cse5 .cse6 .cse7 (= ~t1_st~0 0) (= ~m_i~0 1) .cse8 .cse9 .cse10 (= ~m_pc~0 0) .cse11 .cse12 .cse13 (= ~token~0 ~local~0) (= ~E_1~0 2) .cse14) (and .cse15 .cse0 .cse1 .cse16 .cse2 .cse3 .cse4 .cse5 (not (= ~m_pc~0 1)) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse15 .cse0 .cse1 .cse16 .cse2 .cse3 .cse4 (= (+ ~local~0 1) ~token~0) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14))) [2023-12-02 13:40:07,667 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 157) no Hoare annotation was computed. [2023-12-02 13:40:07,667 INFO L899 garLoopResultBuilder]: For program point L496(line 496) no Hoare annotation was computed. [2023-12-02 13:40:07,667 INFO L895 garLoopResultBuilder]: At program point L876(line 876) the Hoare annotation is: (let ((.cse9 (= ~m_st~0 0)) (.cse17 (= ~t1_pc~0 1)) (.cse0 (= ~p_dw_pc~0 0)) (.cse1 (= ~c_dr_st~0 0)) (.cse2 (= ~p_num_write~0 0)) (.cse3 (= ~c_num_read~0 0)) (.cse8 (= ~m_st~0 2)) (.cse4 (= ~t1_i~0 1)) (.cse5 (= ~p_last_write~0 ~q_buf_0~0)) (.cse6 (= ~q_free~0 0)) (.cse7 (= ~q_req_up~0 0)) (.cse10 (= ~p_dw_st~0 0)) (.cse11 (= ~c_dr_pc~0 0)) (.cse12 (= ~c_last_read~0 ~p_last_write~0)) (.cse13 (not (= ~q_write_ev~0 1))) (.cse14 (= ~E_M~0 2)) (.cse15 (= ~token~0 ~local~0)) (.cse16 (= ~E_1~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~t1_pc~0 0) .cse4 .cse5 .cse6 .cse7 (= ~t1_st~0 0) (= ~m_i~0 1) (or .cse8 .cse9) .cse10 .cse11 (= ~m_pc~0 0) .cse12 .cse13 .cse14 .cse15 .cse16) (and .cse17 .cse0 .cse1 (<= 2 ~E_1~0) .cse2 .cse3 .cse4 .cse5 (not (= ~m_pc~0 1)) .cse6 .cse10 (not .cse9) .cse11 .cse12 .cse14) (and .cse17 .cse0 .cse1 .cse2 .cse3 .cse8 .cse4 .cse5 .cse6 .cse7 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16))) [2023-12-02 13:40:07,667 INFO L899 garLoopResultBuilder]: For program point L876-1(line 876) no Hoare annotation was computed. [2023-12-02 13:40:07,667 INFO L895 garLoopResultBuilder]: At program point L348(line 348) the Hoare annotation is: (let ((.cse8 (= ~q_free~0 0)) (.cse0 (= ~c_dr_st~0 0)) (.cse26 (= ~p_dw_st~0 0))) (let ((.cse30 (not .cse26)) (.cse31 (= (+ ~c_num_read~0 1) ~p_num_write~0)) (.cse19 (not (= ~q_read_ev~0 1))) (.cse20 (= ~c_num_read~0 ~p_num_write~0)) (.cse22 (not (= ~q_write_ev~0 0))) (.cse23 (not .cse0)) (.cse21 (not (= ~q_read_ev~0 0))) (.cse10 (= ~p_dw_pc~0 1)) (.cse1 (= ~q_req_up~0 1)) (.cse29 (not .cse8)) (.cse27 (not (= ~q_write_ev~0 1))) (.cse13 (= ~c_dr_pc~0 0)) (.cse32 (= ~p_dw_pc~0 0)) (.cse33 (= ~p_num_write~0 0)) (.cse2 (= ~c_num_read~0 0)) (.cse3 (not (= |ULTIMATE.start_eval1_~tmp___1~0#1| 0))) (.cse28 (= ~c_dr_st~0 2)) (.cse4 (= ~t1_pc~0 0)) (.cse5 (= ~p_last_write~0 ~q_buf_0~0)) (.cse6 (= ~m_st~0 0)) (.cse34 (= ~q_free~0 1)) (.cse7 (= 1 ~c_dr_i~0)) (.cse35 (= ~q_req_up~0 0)) (.cse24 (= ~c_dr_pc~0 1)) (.cse9 (= ~t1_st~0 0)) (.cse11 (= ~q_write_ev~0 2)) (.cse12 (= ~q_read_ev~0 2)) (.cse14 (= ~m_pc~0 0)) (.cse15 (= ~p_dw_i~0 1)) (.cse16 (= ~E_M~0 2)) (.cse17 (= ~token~0 ~local~0)) (.cse18 (= ~E_1~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (= 2 ~p_dw_st~0) .cse14 .cse15 (= ~p_num_write~0 1) .cse16 .cse17 .cse18) (and .cse19 .cse20 .cse6 .cse21 (let ((.cse25 (or .cse3 (and .cse1 .cse29 .cse11)))) (or (and .cse4 .cse5 .cse22 .cse23 .cse7 .cse24 .cse25 .cse9 .cse10 .cse26 .cse15 .cse27 .cse16 .cse17 .cse18) (and .cse28 .cse4 .cse5 .cse7 .cse24 .cse25 .cse9 .cse10 .cse26 .cse15 .cse16 .cse17 .cse18))) .cse14) (and .cse30 .cse19 .cse4 .cse5 .cse31 .cse6 .cse7 .cse8 .cse21 .cse24 .cse9 .cse10 .cse11 .cse14 .cse15 .cse16 .cse17 .cse18) (and .cse30 .cse19 .cse4 .cse5 .cse31 .cse6 .cse23 .cse7 .cse8 .cse21 .cse24 .cse9 .cse10 .cse14 .cse15 .cse16 .cse17 .cse18) (and .cse19 .cse20 .cse4 .cse5 .cse22 .cse6 .cse23 .cse7 .cse21 .cse24 .cse9 .cse10 (or (not .cse1) .cse29) .cse14 .cse15 .cse27 .cse16 .cse17 .cse18) (let ((.cse36 (select |#memory_int| 1))) (and .cse32 .cse0 .cse33 (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) .cse2 (= ~q_buf_0~0 0) .cse4 (= ~p_last_write~0 0) (= ~T1_E~0 2) .cse6 .cse34 (= ~c_last_read~0 0) .cse7 (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) .cse35 .cse9 (= ~m_i~0 0) .cse11 .cse26 (= (select |#valid| 1) 1) (= 19 (select |#length| 2)) (= ~local~0 0) (= ~token~0 0) .cse12 .cse13 .cse14 .cse15 (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) .cse16 (= ~a_t~0 0) (= |ULTIMATE.start_start_simulation1_~kernel_st~0#1| 1) (= (select .cse36 0) 48) (= (select .cse36 1) 0) .cse18 (= ~M_E~0 2) (= ~t1_i~0 0))) (and .cse32 .cse33 .cse2 .cse3 .cse28 .cse4 .cse5 .cse6 .cse34 .cse7 .cse35 .cse24 .cse9 .cse11 .cse26 .cse12 .cse14 .cse15 (= ~c_last_read~0 ~p_last_write~0) .cse16 .cse17 .cse18)))) [2023-12-02 13:40:07,668 INFO L895 garLoopResultBuilder]: At program point L216(line 216) the Hoare annotation is: false [2023-12-02 13:40:07,668 INFO L895 garLoopResultBuilder]: At program point L216-1(lines 188 219) the Hoare annotation is: (let ((.cse3 (= ~q_req_up~0 1)) (.cse16 (= ~p_dw_pc~0 1)) (.cse23 (= 2 ~p_dw_st~0)) (.cse24 (= ~c_num_read~0 0)) (.cse2 (not (= |ULTIMATE.start_eval1_~tmp___1~0#1| 0))) (.cse8 (= ~t1_pc~0 0)) (.cse9 (= ~p_last_write~0 ~q_buf_0~0)) (.cse0 (= ~m_st~0 0)) (.cse11 (= ~q_free~0 1)) (.cse12 (not (= ~c_dr_st~0 0))) (.cse13 (= 1 ~c_dr_i~0)) (.cse26 (= ~c_dr_pc~0 0)) (.cse15 (= ~t1_st~0 0)) (.cse4 (= ~q_write_ev~0 2)) (.cse5 (= ~p_dw_st~0 0)) (.cse25 (= ~q_read_ev~0 2)) (.cse1 (= ~m_pc~0 0)) (.cse17 (= ~p_dw_i~0 1)) (.cse18 (= ~c_last_read~0 ~p_last_write~0)) (.cse20 (= ~E_M~0 2)) (.cse21 (= ~token~0 ~local~0)) (.cse22 (= ~E_1~0 2))) (or (and .cse0 .cse1 (let ((.cse6 (not (= ~q_read_ev~0 1))) (.cse7 (= ~c_num_read~0 ~p_num_write~0)) (.cse10 (not (= ~q_write_ev~0 0))) (.cse14 (not (= ~q_read_ev~0 0))) (.cse19 (not (= ~q_write_ev~0 1)))) (or (and (or .cse2 (and .cse3 .cse4)) (not .cse5) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22) (and .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse23 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22)))) (and .cse3 .cse24 .cse2 .cse8 .cse9 .cse0 .cse12 .cse13 (= ~q_free~0 0) .cse15 .cse16 .cse4 .cse25 .cse26 .cse23 .cse1 .cse17 (= ~p_num_write~0 1) .cse20 .cse21 .cse22) (and (= ~p_dw_pc~0 0) (= ~p_num_write~0 0) .cse24 .cse2 .cse8 .cse9 .cse0 .cse11 .cse12 .cse13 (= ~q_req_up~0 0) (or (= ~c_dr_pc~0 1) .cse26) .cse15 .cse4 .cse5 .cse25 .cse1 .cse17 .cse18 .cse20 .cse21 .cse22))) [2023-12-02 13:40:07,668 INFO L899 garLoopResultBuilder]: For program point L84(lines 72 86) no Hoare annotation was computed. [2023-12-02 13:40:07,668 INFO L899 garLoopResultBuilder]: For program point is_do_write_p_triggeredEXIT(lines 69 87) no Hoare annotation was computed. [2023-12-02 13:40:07,668 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 79) no Hoare annotation was computed. [2023-12-02 13:40:07,668 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 69 87) the Hoare annotation is: true [2023-12-02 13:40:07,668 INFO L899 garLoopResultBuilder]: For program point L73(lines 73 82) no Hoare annotation was computed. [2023-12-02 13:40:07,668 INFO L899 garLoopResultBuilder]: For program point L73-2(lines 73 82) no Hoare annotation was computed. [2023-12-02 13:40:07,669 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 259 278) the Hoare annotation is: true [2023-12-02 13:40:07,669 INFO L899 garLoopResultBuilder]: For program point exists_runnable_thread1EXIT(lines 259 278) no Hoare annotation was computed. [2023-12-02 13:40:07,669 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 24 31) the Hoare annotation is: true [2023-12-02 13:40:07,669 INFO L899 garLoopResultBuilder]: For program point error1Err0ASSERT_VIOLATIONERROR_FUNCTION(line 28) no Hoare annotation was computed. [2023-12-02 13:40:07,669 INFO L899 garLoopResultBuilder]: For program point error1EXIT(lines 24 31) no Hoare annotation was computed. [2023-12-02 13:40:07,669 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 660 679) the Hoare annotation is: true [2023-12-02 13:40:07,669 INFO L899 garLoopResultBuilder]: For program point exists_runnable_thread2EXIT(lines 660 679) no Hoare annotation was computed. [2023-12-02 13:40:07,670 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 297 314) the Hoare annotation is: (let ((.cse24 (= |old(~q_read_ev~0)| ~q_read_ev~0)) (.cse28 (= ~q_free~0 0)) (.cse26 (= ~p_dw_st~0 0))) (let ((.cse4 (not (= ~m_pc~0 0))) (.cse0 (not .cse26)) (.cse15 (and (= ~q_req_up~0 1) .cse28)) (.cse16 (= |old(~q_write_ev~0)| 1)) (.cse20 (not (= ~c_num_read~0 ~p_num_write~0))) (.cse22 (= |old(~q_write_ev~0)| 0)) (.cse3 (= ~c_dr_st~0 0)) (.cse13 (not (= ~m_pc~0 ~t1_pc~0))) (.cse14 (= |old(~q_read_ev~0)| 1)) (.cse2 (not (= ~E_M~0 2))) (.cse5 (not (= ~E_1~0 2))) (.cse6 (not (= ~p_last_write~0 ~q_buf_0~0))) (.cse17 (= ~m_pc~0 1)) (.cse18 (and (= ~q_write_ev~0 |old(~q_write_ev~0)|) .cse24)) (.cse7 (not (= ~t1_pc~0 0))) (.cse25 (not .cse28)) (.cse19 (not (= ~p_dw_pc~0 1))) (.cse8 (not (= ~m_st~0 0))) (.cse21 (not (= ~c_dr_pc~0 1))) (.cse9 (not (= ~p_dw_i~0 1))) (.cse10 (not (= ~t1_st~0 0))) (.cse27 (not (= (+ ~c_num_read~0 1) ~p_num_write~0))) (.cse23 (= |old(~q_read_ev~0)| 0)) (.cse11 (not (= 1 ~c_dr_i~0))) (.cse12 (not (= ~token~0 ~local~0)))) (and (let ((.cse1 (select |#memory_int| 1))) (or (not (= ~a_t~0 0)) (not (= ~q_req_up~0 0)) .cse0 (not (= (select .cse1 0) 48)) (not (= ~M_E~0 2)) (not (= ~t1_i~0 0)) (and (= ~q_write_ev~0 2) (= ~q_read_ev~0 2)) .cse2 (not (= 2 (select |#length| 1))) (not .cse3) (not (= (select |#valid| 3) 1)) .cse4 (not (= ~p_num_write~0 0)) .cse5 (not (= ~T1_E~0 2)) (not (= ~p_dw_pc~0 0)) (not (= (select |#length| 3) 12)) .cse6 (not (= (select |#valid| 0) 0)) (not (= (select .cse1 1) 0)) .cse7 (not (= ~c_num_read~0 0)) (not (= (select |#valid| 1) 1)) (not (= 19 (select |#length| 2))) (not (= ~token~0 0)) (not (= ~c_dr_pc~0 ~p_dw_pc~0)) .cse8 (not (= |old(~q_read_ev~0)| 2)) (not (= ~q_ev~0 0)) (< |#StackHeapBarrier| 1) .cse9 .cse10 (not (= (select |#valid| 2) 1)) (not (= ~q_free~0 1)) (not (= ~m_i~0 0)) (not (= 2 |old(~q_write_ev~0)|)) (not (= ~c_last_read~0 ~p_last_write~0)) (not (= ~p_last_write~0 0)) .cse11 .cse12)) (or .cse3 .cse13 .cse14 .cse2 .cse5 .cse15 .cse16 .cse6 .cse17 .cse18 .cse7 .cse19 .cse20 .cse8 .cse21 .cse9 .cse22 .cse10 .cse23 .cse11 .cse12) (or .cse13 .cse14 .cse2 .cse4 .cse5 .cse6 (and .cse24 (= ~q_write_ev~0 1)) .cse17 .cse25 .cse19 (not .cse16) .cse26 .cse8 .cse21 .cse9 .cse10 .cse27 .cse23 .cse11 .cse12) (or .cse3 .cse13 .cse0 .cse2 .cse5 .cse15 .cse16 .cse6 .cse17 .cse18 .cse7 .cse19 .cse20 .cse8 .cse21 .cse9 .cse22 .cse10 .cse23 .cse11 .cse12) (or .cse3 .cse13 .cse14 .cse2 .cse5 .cse6 .cse17 .cse18 .cse7 .cse25 .cse19 .cse26 .cse8 .cse21 .cse9 .cse10 .cse27 .cse23 .cse11 .cse12)))) [2023-12-02 13:40:07,670 INFO L899 garLoopResultBuilder]: For program point reset_delta_events1EXIT(lines 297 314) no Hoare annotation was computed. [2023-12-02 13:40:07,670 INFO L899 garLoopResultBuilder]: For program point reset_delta_events2EXIT(lines 759 786) no Hoare annotation was computed. [2023-12-02 13:40:07,670 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 759 786) the Hoare annotation is: (let ((.cse3 (= ~m_st~0 0)) (.cse19 (= ~E_M~0 2))) (let ((.cse0 (not (= ~q_req_up~0 0))) (.cse2 (and .cse19 (= ~E_1~0 2))) (.cse4 (and (not (= ~m_st~0 2)) (not .cse3))) (.cse7 (not (= 2 |old(~E_1~0)|))) (.cse14 (not (= ~c_num_read~0 ~p_num_write~0))) (.cse17 (= ~q_write_ev~0 1)) (.cse18 (not (= ~token~0 ~local~0))) (.cse1 (not (= ~p_dw_st~0 0))) (.cse5 (not (= ~t1_pc~0 1))) (.cse6 (not (= ~c_dr_st~0 0))) (.cse8 (not (= 2 |old(~E_M~0)|))) (.cse9 (not (= ~t1_i~0 1))) (.cse10 (not (= ~p_dw_pc~0 0))) (.cse11 (not (= ~p_last_write~0 ~q_buf_0~0))) (.cse12 (not (= ~c_num_read~0 0))) (.cse13 (not (= ~q_free~0 0))) (.cse15 (not (= ~c_dr_pc~0 ~p_dw_pc~0))) (.cse16 (not (= ~c_last_read~0 ~p_last_write~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18) (or .cse0 .cse1 .cse2 (not (= ~m_i~0 1)) .cse4 .cse6 .cse7 (not (= ~m_pc~0 0)) .cse8 .cse9 .cse10 .cse11 (not (= ~t1_pc~0 0)) .cse12 .cse13 .cse14 .cse15 (not (= ~t1_st~0 0)) .cse16 .cse17 .cse18) (or .cse1 .cse3 .cse5 .cse6 .cse8 (not (= ~p_num_write~0 0)) .cse9 .cse10 .cse11 (= ~m_pc~0 1) .cse12 .cse13 (< |old(~E_1~0)| 2) (and (= ~E_1~0 |old(~E_1~0)|) .cse19) .cse15 .cse16)))) [2023-12-02 13:40:07,673 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:40:07,675 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 13:40:07,685 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~tmp~5 [2023-12-02 13:40:07,686 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~tmp~5 [2023-12-02 13:40:07,686 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~tmp~5 [2023-12-02 13:40:07,687 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~tmp~5 [2023-12-02 13:40:07,692 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-12-02 13:40:07,693 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-12-02 13:40:07,693 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-12-02 13:40:07,693 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-12-02 13:40:07,693 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-12-02 13:40:07,693 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-12-02 13:40:07,694 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-12-02 13:40:07,694 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-12-02 13:40:07,694 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-12-02 13:40:07,698 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~tmp___1~0 [2023-12-02 13:40:07,699 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~tmp___1~0 [2023-12-02 13:40:07,700 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~tmp___1~0 [2023-12-02 13:40:07,703 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-12-02 13:40:07,703 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~tmp___1~0 [2023-12-02 13:40:07,703 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-12-02 13:40:07,704 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-12-02 13:40:07,704 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~tmp~2 [2023-12-02 13:40:07,704 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~tmp~2 [2023-12-02 13:40:07,704 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~tmp___1~0 [2023-12-02 13:40:07,704 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-12-02 13:40:07,704 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-12-02 13:40:07,705 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~tmp~2 [2023-12-02 13:40:07,705 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~tmp___1~0 [2023-12-02 13:40:07,705 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-12-02 13:40:07,705 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-12-02 13:40:07,705 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kernel_st~0 [2023-12-02 13:40:07,705 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-12-02 13:40:07,705 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-12-02 13:40:07,706 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~tmp___1~0 [2023-12-02 13:40:07,706 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~tmp~2 [2023-12-02 13:40:07,706 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~tmp~2 [2023-12-02 13:40:07,706 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~tmp___1~0 [2023-12-02 13:40:07,707 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~tmp~2 [2023-12-02 13:40:07,707 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~tmp___1~0 [2023-12-02 13:40:07,707 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kernel_st~0 [2023-12-02 13:40:07,707 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~tmp___1~0 [2023-12-02 13:40:07,708 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~tmp~5 [2023-12-02 13:40:07,709 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~tmp~5 [2023-12-02 13:40:07,709 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~tmp~5 [2023-12-02 13:40:07,713 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-12-02 13:40:07,714 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-12-02 13:40:07,714 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-12-02 13:40:07,714 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-12-02 13:40:07,714 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-12-02 13:40:07,715 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-12-02 13:40:07,715 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-12-02 13:40:07,715 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-12-02 13:40:07,715 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-12-02 13:40:07,721 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-12-02 13:40:07,722 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-12-02 13:40:07,722 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-12-02 13:40:07,722 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-12-02 13:40:07,723 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-12-02 13:40:07,723 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-12-02 13:40:07,723 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-12-02 13:40:07,724 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kernel_st~0 [2023-12-02 13:40:07,724 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-12-02 13:40:07,724 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-12-02 13:40:07,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:40:07 BoogieIcfgContainer [2023-12-02 13:40:07,725 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 13:40:07,726 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 13:40:07,726 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 13:40:07,726 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 13:40:07,727 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:35:35" (3/4) ... [2023-12-02 13:40:07,729 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 13:40:07,733 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure immediate_notify [2023-12-02 13:40:07,733 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure update_channels1 [2023-12-02 13:40:07,733 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure activate_threads2 [2023-12-02 13:40:07,733 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure activate_threads1 [2023-12-02 13:40:07,733 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure update_channels2 [2023-12-02 13:40:07,733 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fire_delta_events2 [2023-12-02 13:40:07,734 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fire_delta_events1 [2023-12-02 13:40:07,734 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure is_do_read_c_triggered [2023-12-02 13:40:07,734 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure is_do_write_p_triggered [2023-12-02 13:40:07,734 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure exists_runnable_thread1 [2023-12-02 13:40:07,734 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure error1 [2023-12-02 13:40:07,734 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure exists_runnable_thread2 [2023-12-02 13:40:07,735 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reset_delta_events1 [2023-12-02 13:40:07,735 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reset_delta_events2 [2023-12-02 13:40:07,748 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 75 nodes and edges [2023-12-02 13:40:07,749 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-12-02 13:40:07,751 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 13:40:07,752 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 13:40:07,782 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((c_dr_st == 0) || !((m_pc == t1_pc))) || (\old(q_read_ev) == 1)) || !((E_M == 2))) || (((q_write_ev == \old(q_write_ev)) && (\old(q_read_ev) == q_read_ev)) && (q_req_up == \old(q_req_up)))) || !((E_1 == 2))) || (\old(q_write_ev) == 1)) || !((p_last_write == q_buf_0))) || !((t1_pc == 0))) || !((p_dw_pc == 1))) || !((c_num_read == p_num_write))) || !((m_st == 0))) || !((c_dr_pc == 1))) || !((p_dw_i == 1))) || ((\old(q_req_up) == 1) && (q_free == 0))) || (\old(q_write_ev) == 0)) || !((t1_st == 0))) || (\old(q_read_ev) == 0)) || !((1 == c_dr_i))) || !((token == local))) && (((((((((((((((((((c_dr_st == 0) || !((m_pc == t1_pc))) || (\old(q_read_ev) == 1)) || !((E_M == 2))) || (((q_write_ev == \old(q_write_ev)) && (\old(q_read_ev) == q_read_ev)) && (q_req_up == \old(q_req_up)))) || !((m_pc == 0))) || !((E_1 == 2))) || !((p_last_write == q_buf_0))) || !((q_free == 0))) || !((p_dw_pc == 1))) || (p_dw_st == 0)) || !((m_st == 0))) || !((c_dr_pc == 1))) || !((p_dw_i == 1))) || !((t1_st == 0))) || !(((c_num_read + 1) == p_num_write))) || (\old(q_read_ev) == 0)) || !((1 == c_dr_i))) || !((token == local)))) [2023-12-02 13:40:07,787 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (m_st == 2)) && ((\result == 1) || !((t1_st == 0)))) && (t1_pc == 0)) && (t1_i == 1)) && (p_last_write == q_buf_0)) && (q_free == 0)) && (q_req_up == 0)) && (m_i == 1)) && (p_dw_st == 0)) && (c_dr_pc == 0)) && (c_last_read == p_last_write)) && !((q_write_ev == 1))) && (E_M == 2)) && (token == local)) && (E_1 == 2)) || (((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (2 <= E_1)) && (p_num_write == 0)) && (c_num_read == 0)) && (t1_i == 1)) && (p_last_write == q_buf_0)) && (q_free == 0)) && (q_req_up == 0)) && (p_dw_st == 0)) && (c_dr_pc == 0)) && (m_pc == 0)) && (c_last_read == p_last_write)) && !((q_write_ev == 1))) && (E_M == 2))) || ((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (2 <= E_1)) && (p_num_write == 0)) && (c_num_read == 0)) && (t1_i == 1)) && ((local + 1) == token)) && (p_last_write == q_buf_0)) && (m_st == 0)) && (q_free == 0)) && (q_req_up == 0)) && (p_dw_st == 0)) && (c_dr_pc == 0)) && (c_last_read == p_last_write)) && !((q_write_ev == 1))) && (E_M == 2))) || ((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (2 <= E_1)) && (p_num_write == 0)) && (c_num_read == 0)) && (t1_i == 1)) && (p_last_write == q_buf_0)) && !((m_pc == 1))) && (q_free == 0)) && (p_dw_st == 0)) && !((m_st == 0))) && (c_dr_pc == 0)) && (c_last_read == p_last_write)) && (E_M == 2))) [2023-12-02 13:40:07,840 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((c_dr_st == 0) || !((m_pc == t1_pc))) || (\old(q_read_ev) == 1)) || !((E_M == 2))) || (((q_write_ev == \old(q_write_ev)) && (\old(q_read_ev) == q_read_ev)) && (q_req_up == \old(q_req_up)))) || !((E_1 == 2))) || (\old(q_write_ev) == 1)) || !((p_last_write == q_buf_0))) || !((t1_pc == 0))) || !((p_dw_pc == 1))) || !((c_num_read == p_num_write))) || !((m_st == 0))) || !((c_dr_pc == 1))) || !((p_dw_i == 1))) || ((\old(q_req_up) == 1) && (q_free == 0))) || (\old(q_write_ev) == 0)) || !((t1_st == 0))) || (\old(q_read_ev) == 0)) || !((1 == c_dr_i))) || !((token == local))) && (((((((((((((((((((c_dr_st == 0) || !((m_pc == t1_pc))) || (\old(q_read_ev) == 1)) || !((E_M == 2))) || (((q_write_ev == \old(q_write_ev)) && (\old(q_read_ev) == q_read_ev)) && (q_req_up == \old(q_req_up)))) || !((m_pc == 0))) || !((E_1 == 2))) || !((p_last_write == q_buf_0))) || !((q_free == 0))) || !((p_dw_pc == 1))) || (p_dw_st == 0)) || !((m_st == 0))) || !((c_dr_pc == 1))) || !((p_dw_i == 1))) || !((t1_st == 0))) || !(((c_num_read + 1) == p_num_write))) || (\old(q_read_ev) == 0)) || !((1 == c_dr_i))) || !((token == local)))) [2023-12-02 13:40:07,845 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (m_st == 2)) && ((\result == 1) || !((t1_st == 0)))) && (t1_pc == 0)) && (t1_i == 1)) && (p_last_write == q_buf_0)) && (q_free == 0)) && (q_req_up == 0)) && (m_i == 1)) && (p_dw_st == 0)) && (c_dr_pc == 0)) && (c_last_read == p_last_write)) && !((q_write_ev == 1))) && (E_M == 2)) && (token == local)) && (E_1 == 2)) || (((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (2 <= E_1)) && (p_num_write == 0)) && (c_num_read == 0)) && (t1_i == 1)) && (p_last_write == q_buf_0)) && (q_free == 0)) && (q_req_up == 0)) && (p_dw_st == 0)) && (c_dr_pc == 0)) && (m_pc == 0)) && (c_last_read == p_last_write)) && !((q_write_ev == 1))) && (E_M == 2))) || ((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (2 <= E_1)) && (p_num_write == 0)) && (c_num_read == 0)) && (t1_i == 1)) && ((local + 1) == token)) && (p_last_write == q_buf_0)) && (m_st == 0)) && (q_free == 0)) && (q_req_up == 0)) && (p_dw_st == 0)) && (c_dr_pc == 0)) && (c_last_read == p_last_write)) && !((q_write_ev == 1))) && (E_M == 2))) || ((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (2 <= E_1)) && (p_num_write == 0)) && (c_num_read == 0)) && (t1_i == 1)) && (p_last_write == q_buf_0)) && !((m_pc == 1))) && (q_free == 0)) && (p_dw_st == 0)) && !((m_st == 0))) && (c_dr_pc == 0)) && (c_last_read == p_last_write)) && (E_M == 2))) [2023-12-02 13:40:07,924 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 13:40:07,924 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 13:40:07,924 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 13:40:07,925 INFO L158 Benchmark]: Toolchain (without parser) took 273610.53ms. Allocated memory was 127.9MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 98.0MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 356.7MB. Max. memory is 16.1GB. [2023-12-02 13:40:07,925 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 127.9MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:40:07,926 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.36ms. Allocated memory is still 127.9MB. Free memory was 97.7MB in the beginning and 80.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 13:40:07,926 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.17ms. Allocated memory is still 127.9MB. Free memory was 80.9MB in the beginning and 78.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 13:40:07,926 INFO L158 Benchmark]: Boogie Preprocessor took 37.05ms. Allocated memory is still 127.9MB. Free memory was 78.0MB in the beginning and 75.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 13:40:07,927 INFO L158 Benchmark]: RCFGBuilder took 699.43ms. Allocated memory is still 127.9MB. Free memory was 75.6MB in the beginning and 63.2MB in the end (delta: 12.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 13:40:07,928 INFO L158 Benchmark]: TraceAbstraction took 272270.43ms. Allocated memory was 127.9MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 62.7MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2023-12-02 13:40:07,928 INFO L158 Benchmark]: Witness Printer took 198.73ms. Allocated memory is still 1.7GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 13:40:07,930 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 127.9MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.36ms. Allocated memory is still 127.9MB. Free memory was 97.7MB in the beginning and 80.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.17ms. Allocated memory is still 127.9MB. Free memory was 80.9MB in the beginning and 78.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.05ms. Allocated memory is still 127.9MB. Free memory was 78.0MB in the beginning and 75.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 699.43ms. Allocated memory is still 127.9MB. Free memory was 75.6MB in the beginning and 63.2MB in the end (delta: 12.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 272270.43ms. Allocated memory was 127.9MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 62.7MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Witness Printer took 198.73ms. Allocated memory is still 1.7GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~tmp~5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~tmp~5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~tmp~5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~tmp~5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~tmp___1~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~tmp___1~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~tmp___1~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~tmp___1~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~tmp~2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~tmp~2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~tmp___1~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~tmp~2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~tmp___1~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kernel_st~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~tmp___1~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~tmp~2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~tmp~2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~tmp___1~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~tmp~2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~tmp___1~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kernel_st~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~tmp___1~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~tmp~5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~tmp~5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~tmp~5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kernel_st~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 496]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 28]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 15 procedures, 141 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 272.2s, OverallIterations: 32, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 47.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 111.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15487 SdHoareTripleChecker+Valid, 15.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15379 mSDsluCounter, 21028 SdHoareTripleChecker+Invalid, 13.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15579 mSDsCounter, 6761 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20164 IncrementalHoareTripleChecker+Invalid, 26925 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6761 mSolverCounterUnsat, 5449 mSDtfsCounter, 20164 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4789 GetRequests, 3522 SyntacticMatches, 21 SemanticMatches, 1246 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 84803 ImplicationChecksByTransitivity, 69.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2456occurred in iteration=29, InterpolantAutomatonStates: 755, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.6s AutomataMinimizationTime, 32 MinimizatonAttempts, 6829 StatesRemovedByMinimization, 30 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 3266 PreInvPairs, 3494 NumberOfFragments, 10781 HoareAnnotationTreeSize, 3266 FomulaSimplifications, 811993 FormulaSimplificationTreeSizeReduction, 79.9s HoareSimplificationTime, 50 FomulaSimplificationsInter, 690227 FormulaSimplificationTreeSizeReductionInter, 31.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 12.5s InterpolantComputationTime, 4745 NumberOfCodeBlocks, 4709 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 5749 ConstructedInterpolants, 0 QuantifiedInterpolants, 15508 SizeOfPredicates, 64 NumberOfNonLiveVariables, 7717 ConjunctsInSsa, 318 ConjunctsInUnsatCore, 60 InterpolantComputations, 25 PerfectInterpolantSequences, 3270/3729 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 2.9s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 54, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 59, TOOLS_POST_TIME: 0.9s, TOOLS_POST_CALL_APPLICATIONS: 25, TOOLS_POST_CALL_TIME: 0.6s, TOOLS_POST_RETURN_APPLICATIONS: 18, TOOLS_POST_RETURN_TIME: 0.6s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 102, TOOLS_QUANTIFIERELIM_TIME: 2.0s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 162, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 21, DOMAIN_JOIN_TIME: 0.6s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 54, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 0.1s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.1s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 18, CALL_SUMMARIZER_CACHE_MISSES: 7, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 888, DAG_COMPRESSION_RETAINED_NODES: 150, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (m_st == 2)) && ((\result == 1) || !((t1_st == 0)))) && (t1_pc == 0)) && (t1_i == 1)) && (p_last_write == q_buf_0)) && (q_free == 0)) && (q_req_up == 0)) && (m_i == 1)) && (p_dw_st == 0)) && (c_dr_pc == 0)) && (c_last_read == p_last_write)) && !((q_write_ev == 1))) && (E_M == 2)) && (token == local)) && (E_1 == 2)) || (((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (2 <= E_1)) && (p_num_write == 0)) && (c_num_read == 0)) && (t1_i == 1)) && (p_last_write == q_buf_0)) && (q_free == 0)) && (q_req_up == 0)) && (p_dw_st == 0)) && (c_dr_pc == 0)) && (m_pc == 0)) && (c_last_read == p_last_write)) && !((q_write_ev == 1))) && (E_M == 2))) || ((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (2 <= E_1)) && (p_num_write == 0)) && (c_num_read == 0)) && (t1_i == 1)) && ((local + 1) == token)) && (p_last_write == q_buf_0)) && (m_st == 0)) && (q_free == 0)) && (q_req_up == 0)) && (p_dw_st == 0)) && (c_dr_pc == 0)) && (c_last_read == p_last_write)) && !((q_write_ev == 1))) && (E_M == 2))) || ((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (2 <= E_1)) && (p_num_write == 0)) && (c_num_read == 0)) && (t1_i == 1)) && (p_last_write == q_buf_0)) && !((m_pc == 1))) && (q_free == 0)) && (p_dw_st == 0)) && !((m_st == 0))) && (c_dr_pc == 0)) && (c_last_read == p_last_write)) && (E_M == 2))) - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: (((((((((((((((((((((c_dr_st == 0) || !((m_pc == t1_pc))) || (\old(q_read_ev) == 1)) || !((E_M == 2))) || (((q_write_ev == \old(q_write_ev)) && (\old(q_read_ev) == q_read_ev)) && (q_req_up == \old(q_req_up)))) || !((E_1 == 2))) || (\old(q_write_ev) == 1)) || !((p_last_write == q_buf_0))) || !((t1_pc == 0))) || !((p_dw_pc == 1))) || !((c_num_read == p_num_write))) || !((m_st == 0))) || !((c_dr_pc == 1))) || !((p_dw_i == 1))) || ((\old(q_req_up) == 1) && (q_free == 0))) || (\old(q_write_ev) == 0)) || !((t1_st == 0))) || (\old(q_read_ev) == 0)) || !((1 == c_dr_i))) || !((token == local))) && (((((((((((((((((((c_dr_st == 0) || !((m_pc == t1_pc))) || (\old(q_read_ev) == 1)) || !((E_M == 2))) || (((q_write_ev == \old(q_write_ev)) && (\old(q_read_ev) == q_read_ev)) && (q_req_up == \old(q_req_up)))) || !((m_pc == 0))) || !((E_1 == 2))) || !((p_last_write == q_buf_0))) || !((q_free == 0))) || !((p_dw_pc == 1))) || (p_dw_st == 0)) || !((m_st == 0))) || !((c_dr_pc == 1))) || !((p_dw_i == 1))) || !((t1_st == 0))) || !(((c_num_read + 1) == p_num_write))) || (\old(q_read_ev) == 0)) || !((1 == c_dr_i))) || !((token == local)))) - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (t1_pc == 0)) && (t1_i == 1)) && (p_last_write == q_buf_0)) && (q_free == 0)) && (q_req_up == 0)) && (t1_st == 0)) && (m_i == 1)) && ((m_st == 2) || (m_st == 0))) && (p_dw_st == 0)) && (c_dr_pc == 0)) && (m_pc == 0)) && (c_last_read == p_last_write)) && !((q_write_ev == 1))) && (E_M == 2)) && (token == local)) && (E_1 == 2)) || (((((((((((((((t1_pc == 1) && (p_dw_pc == 0)) && (c_dr_st == 0)) && (2 <= E_1)) && (p_num_write == 0)) && (c_num_read == 0)) && (t1_i == 1)) && (p_last_write == q_buf_0)) && !((m_pc == 1))) && (q_free == 0)) && (p_dw_st == 0)) && !((m_st == 0))) && (c_dr_pc == 0)) && (c_last_read == p_last_write)) && (E_M == 2))) || (((((((((((((((((t1_pc == 1) && (p_dw_pc == 0)) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (m_st == 2)) && (t1_i == 1)) && (p_last_write == q_buf_0)) && (q_free == 0)) && (q_req_up == 0)) && (p_dw_st == 0)) && (c_dr_pc == 0)) && (c_last_read == p_last_write)) && !((q_write_ev == 1))) && (E_M == 2)) && (token == local)) && (E_1 == 2))) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (((((m_st == 0) && (m_pc == 0)) && ((((((((((((((((((!((p_dw_st == 0)) && !((q_read_ev == 1))) && (c_num_read == p_num_write)) && (t1_pc == 0)) && (p_last_write == q_buf_0)) && !((q_write_ev == 0))) && (q_free == 1)) && !((c_dr_st == 0))) && (1 == c_dr_i)) && !((q_read_ev == 0))) && (t1_st == 0)) && (p_dw_pc == 1)) && (p_dw_i == 1)) && (c_last_read == p_last_write)) && !((q_write_ev == 1))) && (E_M == 2)) && (token == local)) && (E_1 == 2)) || (((((((((((((((((!((q_read_ev == 1)) && (c_num_read == p_num_write)) && (t1_pc == 0)) && (p_last_write == q_buf_0)) && !((q_write_ev == 0))) && (q_free == 1)) && !((c_dr_st == 0))) && (1 == c_dr_i)) && !((q_read_ev == 0))) && (t1_st == 0)) && (p_dw_pc == 1)) && (2 == p_dw_st)) && (p_dw_i == 1)) && (c_last_read == p_last_write)) && !((q_write_ev == 1))) && (E_M == 2)) && (token == local)) && (E_1 == 2)))) || ((((((((((((((((((((q_req_up == 1) && (c_num_read == 0)) && (t1_pc == 0)) && (p_last_write == q_buf_0)) && (m_st == 0)) && !((c_dr_st == 0))) && (1 == c_dr_i)) && (q_free == 0)) && (t1_st == 0)) && (p_dw_pc == 1)) && (q_write_ev == 2)) && (q_read_ev == 2)) && (c_dr_pc == 0)) && (2 == p_dw_st)) && (m_pc == 0)) && (p_dw_i == 1)) && (p_num_write == 1)) && (E_M == 2)) && (token == local)) && (E_1 == 2))) || (((((((((((((((((((((p_dw_pc == 0) && (p_num_write == 0)) && (c_num_read == 0)) && (t1_pc == 0)) && (p_last_write == q_buf_0)) && (m_st == 0)) && (q_free == 1)) && !((c_dr_st == 0))) && (1 == c_dr_i)) && (q_req_up == 0)) && ((c_dr_pc == 1) || (c_dr_pc == 0))) && (t1_st == 0)) && (q_write_ev == 2)) && (p_dw_st == 0)) && (q_read_ev == 2)) && (m_pc == 0)) && (p_dw_i == 1)) && (c_last_read == p_last_write)) && (E_M == 2)) && (token == local)) && (E_1 == 2))) - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: (((((((((!((p_dw_st == 0)) && !((q_read_ev == 1))) && ((c_num_read + 1) == p_num_write)) && (m_st == 0)) && !((q_read_ev == 0))) && (m_pc == 0)) && (((((((((((((((t1_pc == 0) && (p_last_write == q_buf_0)) && !((q_write_ev == 0))) && !((c_dr_st == 0))) && (1 == c_dr_i)) && (q_free == 0)) && (c_dr_pc == 1)) && (t1_st == 0)) && (((p_dw_pc == 0) && (q_write_ev == 2)) || (p_dw_pc == 1))) && (p_dw_i == 1)) && !((q_write_ev == 1))) && (E_M == 2)) && (token == local)) && (E_1 == 2)) || ((((((((((((c_dr_st == 2) && (t1_pc == 0)) && (p_last_write == q_buf_0)) && (1 == c_dr_i)) && (q_free == 0)) && (c_dr_pc == 1)) && (t1_st == 0)) && (((p_dw_pc == 0) && (q_write_ev == 2)) || (p_dw_pc == 1))) && (p_dw_i == 1)) && (E_M == 2)) && (token == local)) && (E_1 == 2)))) || ((((((((((((((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (q_buf_0 == 0)) && (t1_pc == 0)) && (p_last_write == 0)) && (T1_E == 2)) && (m_st == 0)) && (q_free == 1)) && (c_last_read == 0)) && (1 == c_dr_i)) && (q_req_up == 0)) && (t1_st == 0)) && (m_i == 0)) && (q_write_ev == 2)) && (p_dw_st == 1)) && (local == 0)) && (token == 0)) && (q_read_ev == 2)) && (c_dr_pc == 0)) && (m_pc == 0)) && (p_dw_i == 1)) && (E_M == 2)) && (a_t == 0)) && (E_1 == 2)) && (M_E == 2)) && (t1_i == 0))) || (((((((((((((((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (q_req_up == 1)) && (c_num_read == 0)) && (t1_pc == 0)) && (p_last_write == q_buf_0)) && (T1_E == 2)) && (m_st == 0)) && (c_last_read == 0)) && (1 == c_dr_i)) && (q_free == 0)) && (t1_st == 0)) && (m_i == 0)) && (0 <= (p_last_write + 2147483648))) && (q_write_ev == 2)) && (p_dw_st == 1)) && (local == 0)) && (token == 0)) && (q_read_ev == 2)) && (c_dr_pc == 0)) && (m_pc == 0)) && (p_dw_i == 1)) && (p_num_write == 1)) && (p_last_write <= 2147483647)) && (E_M == 2)) && (a_t == 0)) && (E_1 == 2)) && (M_E == 2)) && (t1_i == 0))) || (((((((((((((((((((((p_dw_pc == 0) && (p_num_write == 0)) && !((p_dw_st == 0))) && (c_num_read == 0)) && (c_dr_st == 2)) && (t1_pc == 0)) && (p_last_write == q_buf_0)) && (m_st == 0)) && (q_free == 1)) && (1 == c_dr_i)) && (q_req_up == 0)) && (c_dr_pc == 1)) && (t1_st == 0)) && (q_write_ev == 2)) && (q_read_ev == 2)) && (m_pc == 0)) && (p_dw_i == 1)) && (c_last_read == p_last_write)) && (E_M == 2)) && (token == local)) && (E_1 == 2))) - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (t1_pc == 0)) && (t1_i == 1)) && (p_last_write == q_buf_0)) && (q_free == 0)) && (q_req_up == 0)) && (t1_st == 0)) && (m_i == 1)) && (p_dw_st == 0)) && !((m_st == 0))) && (c_dr_pc == 0)) && (m_pc == 0)) && (c_last_read == p_last_write)) && !((q_write_ev == 1))) && (E_M == 2)) && (token == local)) && (E_1 == 2)) || (((((((((((((((((t1_pc == 1) && (p_dw_pc == 0)) && (c_dr_st == 0)) && (2 <= E_1)) && (p_num_write == 0)) && (c_num_read == 0)) && (t1_i == 1)) && (p_last_write == q_buf_0)) && !((m_pc == 1))) && (q_free == 0)) && (q_req_up == 0)) && (p_dw_st == 0)) && !((m_st == 0))) && (c_dr_pc == 0)) && (c_last_read == p_last_write)) && !((q_write_ev == 1))) && (E_M == 2))) || (((((((((((((((((t1_pc == 1) && (p_dw_pc == 0)) && (c_dr_st == 0)) && (2 <= E_1)) && (p_num_write == 0)) && (c_num_read == 0)) && (t1_i == 1)) && ((local + 1) == token)) && (p_last_write == q_buf_0)) && (q_free == 0)) && (q_req_up == 0)) && (p_dw_st == 0)) && !((m_st == 0))) && (c_dr_pc == 0)) && (c_last_read == p_last_write)) && !((q_write_ev == 1))) && (E_M == 2))) - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (t1_pc == 0)) && (t1_i == 1)) && (p_last_write == q_buf_0)) && (q_free == 0)) && (q_req_up == 0)) && (t1_st == 0)) && (m_i == 1)) && ((m_st == 2) || (m_st == 0))) && (p_dw_st == 0)) && (c_dr_pc == 0)) && (m_pc == 0)) && (c_last_read == p_last_write)) && !((q_write_ev == 1))) && (E_M == 2)) && (token == local)) && (E_1 == 2)) || (((((((((((((((t1_pc == 1) && (p_dw_pc == 0)) && (c_dr_st == 0)) && (2 <= E_1)) && (p_num_write == 0)) && (c_num_read == 0)) && (t1_i == 1)) && (p_last_write == q_buf_0)) && !((m_pc == 1))) && (q_free == 0)) && (p_dw_st == 0)) && !((m_st == 0))) && (c_dr_pc == 0)) && (c_last_read == p_last_write)) && (E_M == 2))) || (((((((((((((((((t1_pc == 1) && (p_dw_pc == 0)) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (m_st == 2)) && (t1_i == 1)) && (p_last_write == q_buf_0)) && (q_free == 0)) && (q_req_up == 0)) && (p_dw_st == 0)) && (c_dr_pc == 0)) && (c_last_read == p_last_write)) && !((q_write_ev == 1))) && (E_M == 2)) && (token == local)) && (E_1 == 2))) || (((((((((((((((((((t1_pc == 1) && (2 <= t1_st)) && (p_dw_pc == 0)) && (c_dr_st == 0)) && (2 <= E_1)) && (p_num_write == 0)) && (c_num_read == 0)) && (t1_i == 1)) && ((local + 1) == token)) && (p_last_write == q_buf_0)) && (m_st == 0)) && (q_free == 0)) && (q_req_up == 0)) && (p_dw_st == 0)) && (c_dr_pc == 0)) && (c_last_read == p_last_write)) && !((q_write_ev == 1))) && (E_M == 2)) && !((tmp == 0)))) || ((((((((((((((((((t1_pc == 1) && (2 <= t1_st)) && (p_dw_pc == 0)) && (c_dr_st == 0)) && (2 <= E_1)) && (p_num_write == 0)) && (c_num_read == 0)) && (t1_i == 1)) && (p_last_write == q_buf_0)) && (q_free == 0)) && (q_req_up == 0)) && (p_dw_st == 0)) && (c_dr_pc == 0)) && (m_pc == 0)) && (c_last_read == p_last_write)) && !((q_write_ev == 1))) && (E_M == 2)) && !((tmp == 0)))) || ((((((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (m_st == 2)) && (t1_pc == 0)) && (t1_i == 1)) && (p_last_write == q_buf_0)) && (q_free == 0)) && (q_req_up == 0)) && (t1_st == 0)) && (m_i == 1)) && (p_dw_st == 0)) && (c_dr_pc == 0)) && (c_last_read == p_last_write)) && !((q_write_ev == 1))) && (E_M == 2)) && (token == local)) && (E_1 == 2)) && !((tmp == 0)))) || (((((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (m_st == 2)) && (t1_pc == 0)) && (t1_i == 1)) && (p_last_write == q_buf_0)) && (q_free == 0)) && (t1_st == 0)) && (m_i == 1)) && (p_dw_st == 0)) && (c_dr_pc == 0)) && (m_pc == 0)) && (c_last_read == p_last_write)) && (E_M == 2)) && (token == local)) && (E_1 == 2)) && !((tmp == 0)))) - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (q_buf_0 == 0)) && (t1_pc == 0)) && (p_last_write == 0)) && (T1_E == 2)) && (m_st == 0)) && (q_free == 1)) && (c_last_read == 0)) && (1 == c_dr_i)) && (q_req_up == 0)) && (t1_st == 0)) && (m_i == 0)) && (q_write_ev == 2)) && (p_dw_st == 0)) && (token == 0)) && (q_read_ev == 2)) && (c_dr_pc == 0)) && (m_pc == 0)) && (p_dw_i == 1)) && (E_M == 2)) && (a_t == 0)) && (token == local)) && (E_1 == 2)) && (M_E == 2)) && (t1_i == 0)) || (((((((((((((((((!((p_dw_st == 0)) && !((q_read_ev == 1))) && (t1_pc == 0)) && (p_last_write == q_buf_0)) && ((c_num_read + 1) == p_num_write)) && (m_st == 0)) && (1 == c_dr_i)) && (q_free == 0)) && !((q_read_ev == 0))) && (c_dr_pc == 1)) && (t1_st == 0)) && (p_dw_pc == 1)) && (q_write_ev == 2)) && (m_pc == 0)) && (p_dw_i == 1)) && (E_M == 2)) && (token == local)) && (E_1 == 2))) || (((((((((((((((((!((p_dw_st == 0)) && !((q_read_ev == 1))) && (t1_pc == 0)) && (p_last_write == q_buf_0)) && ((c_num_read + 1) == p_num_write)) && (m_st == 0)) && !((c_dr_st == 0))) && (1 == c_dr_i)) && (q_free == 0)) && !((q_read_ev == 0))) && (c_dr_pc == 1)) && (t1_st == 0)) && (p_dw_pc == 1)) && (m_pc == 0)) && (p_dw_i == 1)) && (E_M == 2)) && (token == local)) && (E_1 == 2))) || ((((((((((((((((((!((q_read_ev == 1)) && (c_num_read == p_num_write)) && (t1_pc == 0)) && (p_last_write == q_buf_0)) && !((q_write_ev == 0))) && (m_st == 0)) && !((c_dr_st == 0))) && (1 == c_dr_i)) && !((q_read_ev == 0))) && (c_dr_pc == 1)) && (t1_st == 0)) && (p_dw_pc == 1)) && (!((q_req_up == 1)) || !((q_free == 0)))) && (m_pc == 0)) && (p_dw_i == 1)) && !((q_write_ev == 1))) && (E_M == 2)) && (token == local)) && (E_1 == 2))) - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((c_dr_st == 0) && (q_req_up == 1)) && (c_num_read == 0)) && !((tmp___1 == 0))) && (t1_pc == 0)) && (p_last_write == q_buf_0)) && (m_st == 0)) && (1 == c_dr_i)) && (q_free == 0)) && (t1_st == 0)) && (p_dw_pc == 1)) && (q_write_ev == 2)) && (q_read_ev == 2)) && (c_dr_pc == 0)) && (2 == p_dw_st)) && (m_pc == 0)) && (p_dw_i == 1)) && (p_num_write == 1)) && (E_M == 2)) && (token == local)) && (E_1 == 2)) || (((((!((q_read_ev == 1)) && (c_num_read == p_num_write)) && (m_st == 0)) && !((q_read_ev == 0))) && ((((((((((((((((t1_pc == 0) && (p_last_write == q_buf_0)) && !((q_write_ev == 0))) && !((c_dr_st == 0))) && (1 == c_dr_i)) && (c_dr_pc == 1)) && (!((tmp___1 == 0)) || (((q_req_up == 1) && !((q_free == 0))) && (q_write_ev == 2)))) && (t1_st == 0)) && (p_dw_pc == 1)) && (p_dw_st == 0)) && (p_dw_i == 1)) && !((q_write_ev == 1))) && (E_M == 2)) && (token == local)) && (E_1 == 2)) || (((((((((((((c_dr_st == 2) && (t1_pc == 0)) && (p_last_write == q_buf_0)) && (1 == c_dr_i)) && (c_dr_pc == 1)) && (!((tmp___1 == 0)) || (((q_req_up == 1) && !((q_free == 0))) && (q_write_ev == 2)))) && (t1_st == 0)) && (p_dw_pc == 1)) && (p_dw_st == 0)) && (p_dw_i == 1)) && (E_M == 2)) && (token == local)) && (E_1 == 2)))) && (m_pc == 0))) || (((((((((((((((((!((p_dw_st == 0)) && !((q_read_ev == 1))) && (t1_pc == 0)) && (p_last_write == q_buf_0)) && ((c_num_read + 1) == p_num_write)) && (m_st == 0)) && (1 == c_dr_i)) && (q_free == 0)) && !((q_read_ev == 0))) && (c_dr_pc == 1)) && (t1_st == 0)) && (p_dw_pc == 1)) && (q_write_ev == 2)) && (m_pc == 0)) && (p_dw_i == 1)) && (E_M == 2)) && (token == local)) && (E_1 == 2))) || (((((((((((((((((!((p_dw_st == 0)) && !((q_read_ev == 1))) && (t1_pc == 0)) && (p_last_write == q_buf_0)) && ((c_num_read + 1) == p_num_write)) && (m_st == 0)) && !((c_dr_st == 0))) && (1 == c_dr_i)) && (q_free == 0)) && !((q_read_ev == 0))) && (c_dr_pc == 1)) && (t1_st == 0)) && (p_dw_pc == 1)) && (m_pc == 0)) && (p_dw_i == 1)) && (E_M == 2)) && (token == local)) && (E_1 == 2))) || ((((((((((((((((((!((q_read_ev == 1)) && (c_num_read == p_num_write)) && (t1_pc == 0)) && (p_last_write == q_buf_0)) && !((q_write_ev == 0))) && (m_st == 0)) && !((c_dr_st == 0))) && (1 == c_dr_i)) && !((q_read_ev == 0))) && (c_dr_pc == 1)) && (t1_st == 0)) && (p_dw_pc == 1)) && (!((q_req_up == 1)) || !((q_free == 0)))) && (m_pc == 0)) && (p_dw_i == 1)) && !((q_write_ev == 1))) && (E_M == 2)) && (token == local)) && (E_1 == 2))) || ((((((((((((((((((((((((((((p_dw_pc == 0) && (c_dr_st == 0)) && (p_num_write == 0)) && (c_num_read == 0)) && (q_buf_0 == 0)) && (t1_pc == 0)) && (p_last_write == 0)) && (T1_E == 2)) && (m_st == 0)) && (q_free == 1)) && (c_last_read == 0)) && (1 == c_dr_i)) && (q_req_up == 0)) && (t1_st == 0)) && (m_i == 0)) && (q_write_ev == 2)) && (p_dw_st == 0)) && (local == 0)) && (token == 0)) && (q_read_ev == 2)) && (c_dr_pc == 0)) && (m_pc == 0)) && (p_dw_i == 1)) && (E_M == 2)) && (a_t == 0)) && (E_1 == 2)) && (M_E == 2)) && (t1_i == 0))) || ((((((((((((((((((((((p_dw_pc == 0) && (p_num_write == 0)) && (c_num_read == 0)) && !((tmp___1 == 0))) && (c_dr_st == 2)) && (t1_pc == 0)) && (p_last_write == q_buf_0)) && (m_st == 0)) && (q_free == 1)) && (1 == c_dr_i)) && (q_req_up == 0)) && (c_dr_pc == 1)) && (t1_st == 0)) && (q_write_ev == 2)) && (p_dw_st == 0)) && (q_read_ev == 2)) && (m_pc == 0)) && (p_dw_i == 1)) && (c_last_read == p_last_write)) && (E_M == 2)) && (token == local)) && (E_1 == 2))) RESULT: Ultimate proved your program to be correct! [2023-12-02 13:40:07,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_302fb609-a006-4d15-973d-48ac9e231ba4/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE