./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46012209-f0ea-4797-b6c5-8d7c4fc56df0/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46012209-f0ea-4797-b6c5-8d7c4fc56df0/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46012209-f0ea-4797-b6c5-8d7c4fc56df0/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46012209-f0ea-4797-b6c5-8d7c4fc56df0/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46012209-f0ea-4797-b6c5-8d7c4fc56df0/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46012209-f0ea-4797-b6c5-8d7c4fc56df0/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a31ccbb50ed824a1b6eea67c3747e38f48ab93613ea1abf86baf8d129dc78945 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:51:54,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:51:54,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:51:54,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:51:54,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:51:54,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:51:54,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:51:54,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:51:54,933 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:51:54,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:51:54,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:51:54,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:51:54,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:51:54,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:51:54,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:51:54,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:51:54,956 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:51:54,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:51:54,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:51:54,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:51:54,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:51:54,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:51:54,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:51:54,978 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:51:54,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:51:54,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:51:54,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:51:54,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:51:54,992 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:51:54,993 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:51:54,994 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:51:54,995 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:51:54,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:51:54,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:51:55,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:51:55,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:51:55,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:51:55,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:51:55,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:51:55,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:51:55,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:51:55,006 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46012209-f0ea-4797-b6c5-8d7c4fc56df0/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:51:55,057 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:51:55,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:51:55,058 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:51:55,059 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:51:55,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:51:55,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:51:55,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:51:55,060 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:51:55,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:51:55,060 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:51:55,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:51:55,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:51:55,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:51:55,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:51:55,071 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:51:55,071 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:51:55,071 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:51:55,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:51:55,071 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:51:55,072 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:51:55,072 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:51:55,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:55,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:51:55,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:51:55,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:51:55,073 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:51:55,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:51:55,075 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:51:55,075 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_46012209-f0ea-4797-b6c5-8d7c4fc56df0/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46012209-f0ea-4797-b6c5-8d7c4fc56df0/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a31ccbb50ed824a1b6eea67c3747e38f48ab93613ea1abf86baf8d129dc78945 [2022-10-17 16:51:55,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:51:55,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:51:55,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:51:55,423 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:51:55,425 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:51:55,427 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46012209-f0ea-4797-b6c5-8d7c4fc56df0/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-1.c [2022-10-17 16:51:55,509 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46012209-f0ea-4797-b6c5-8d7c4fc56df0/bin/ukojak-92XMlrwhuB/data/78e1ca0d3/5050b1dc0ace4574b0fda410a8c0cd34/FLAG9064d8563 [2022-10-17 16:51:56,176 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:51:56,179 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46012209-f0ea-4797-b6c5-8d7c4fc56df0/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-1.c [2022-10-17 16:51:56,200 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46012209-f0ea-4797-b6c5-8d7c4fc56df0/bin/ukojak-92XMlrwhuB/data/78e1ca0d3/5050b1dc0ace4574b0fda410a8c0cd34/FLAG9064d8563 [2022-10-17 16:51:56,421 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46012209-f0ea-4797-b6c5-8d7c4fc56df0/bin/ukojak-92XMlrwhuB/data/78e1ca0d3/5050b1dc0ace4574b0fda410a8c0cd34 [2022-10-17 16:51:56,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:51:56,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:51:56,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:56,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:51:56,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:51:56,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:56" (1/1) ... [2022-10-17 16:51:56,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e9d1061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:56, skipping insertion in model container [2022-10-17 16:51:56,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:56" (1/1) ... [2022-10-17 16:51:56,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:51:56,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:51:56,638 WARN L230 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_46012209-f0ea-4797-b6c5-8d7c4fc56df0/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-1.c[914,927] [2022-10-17 16:51:56,695 WARN L230 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_46012209-f0ea-4797-b6c5-8d7c4fc56df0/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-1.c[7115,7128] [2022-10-17 16:51:56,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:56,771 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:51:56,794 WARN L230 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_46012209-f0ea-4797-b6c5-8d7c4fc56df0/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-1.c[914,927] [2022-10-17 16:51:56,828 WARN L230 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_46012209-f0ea-4797-b6c5-8d7c4fc56df0/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-1.c[7115,7128] [2022-10-17 16:51:56,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:56,927 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:51:56,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:56 WrapperNode [2022-10-17 16:51:56,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:56,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:56,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:51:56,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:51:56,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:56" (1/1) ... [2022-10-17 16:51:56,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:56" (1/1) ... [2022-10-17 16:51:57,028 INFO L138 Inliner]: procedures = 59, calls = 67, calls flagged for inlining = 27, calls inlined = 27, statements flattened = 523 [2022-10-17 16:51:57,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:57,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:51:57,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:51:57,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:51:57,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:56" (1/1) ... [2022-10-17 16:51:57,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:56" (1/1) ... [2022-10-17 16:51:57,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:56" (1/1) ... [2022-10-17 16:51:57,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:56" (1/1) ... [2022-10-17 16:51:57,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:56" (1/1) ... [2022-10-17 16:51:57,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:56" (1/1) ... [2022-10-17 16:51:57,115 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:56" (1/1) ... [2022-10-17 16:51:57,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:56" (1/1) ... [2022-10-17 16:51:57,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:51:57,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:51:57,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:51:57,130 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:51:57,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:56" (1/1) ... [2022-10-17 16:51:57,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:57,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46012209-f0ea-4797-b6c5-8d7c4fc56df0/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:51:57,170 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46012209-f0ea-4797-b6c5-8d7c4fc56df0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:51:57,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46012209-f0ea-4797-b6c5-8d7c4fc56df0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:51:57,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:51:57,234 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-17 16:51:57,235 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-17 16:51:57,235 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2022-10-17 16:51:57,235 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2022-10-17 16:51:57,235 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2022-10-17 16:51:57,235 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2022-10-17 16:51:57,236 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2022-10-17 16:51:57,236 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2022-10-17 16:51:57,236 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2022-10-17 16:51:57,236 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2022-10-17 16:51:57,236 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2022-10-17 16:51:57,237 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2022-10-17 16:51:57,238 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2022-10-17 16:51:57,238 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2022-10-17 16:51:57,238 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2022-10-17 16:51:57,238 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2022-10-17 16:51:57,238 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2022-10-17 16:51:57,239 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2022-10-17 16:51:57,239 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2022-10-17 16:51:57,239 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2022-10-17 16:51:57,239 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2022-10-17 16:51:57,239 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2022-10-17 16:51:57,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:51:57,240 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2022-10-17 16:51:57,240 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2022-10-17 16:51:57,240 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2022-10-17 16:51:57,240 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2022-10-17 16:51:57,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:51:57,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:51:57,241 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2022-10-17 16:51:57,241 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2022-10-17 16:51:57,241 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2022-10-17 16:51:57,242 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2022-10-17 16:51:57,388 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:51:57,391 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:51:58,083 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:51:58,398 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:51:58,398 INFO L300 CfgBuilder]: Removed 10 assume(true) statements. [2022-10-17 16:51:58,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:58 BoogieIcfgContainer [2022-10-17 16:51:58,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:51:58,403 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:51:58,403 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:51:58,417 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:51:58,418 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:58" (1/1) ... [2022-10-17 16:51:58,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:51:58,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:58,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 167 states and 241 transitions. [2022-10-17 16:51:58,528 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 241 transitions. [2022-10-17 16:51:58,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:51:58,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:58,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:59,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:59,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:59,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 178 states and 261 transitions. [2022-10-17 16:51:59,323 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 261 transitions. [2022-10-17 16:51:59,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:51:59,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:59,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:59,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:59,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:59,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 179 states and 261 transitions. [2022-10-17 16:51:59,496 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 261 transitions. [2022-10-17 16:51:59,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:51:59,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:59,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:59,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:59,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:59,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 180 states and 261 transitions. [2022-10-17 16:51:59,684 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 261 transitions. [2022-10-17 16:51:59,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:51:59,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:59,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:59,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:00,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:00,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 189 states and 282 transitions. [2022-10-17 16:52:00,025 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 282 transitions. [2022-10-17 16:52:00,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:52:00,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:00,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:00,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:00,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:00,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 197 states and 297 transitions. [2022-10-17 16:52:00,303 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 297 transitions. [2022-10-17 16:52:00,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:52:00,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:00,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:00,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:00,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:00,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 209 states and 314 transitions. [2022-10-17 16:52:00,891 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 314 transitions. [2022-10-17 16:52:00,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:52:00,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:00,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:01,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:01,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:01,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 208 states and 311 transitions. [2022-10-17 16:52:01,891 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 311 transitions. [2022-10-17 16:52:01,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:52:01,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:01,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:01,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:02,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:02,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 218 states and 331 transitions. [2022-10-17 16:52:02,549 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 331 transitions. [2022-10-17 16:52:02,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:52:02,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:02,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:02,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:03,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:03,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 230 states and 354 transitions. [2022-10-17 16:52:03,554 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 354 transitions. [2022-10-17 16:52:03,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:52:03,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:03,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:03,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:03,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:03,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 230 states and 353 transitions. [2022-10-17 16:52:03,616 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 353 transitions. [2022-10-17 16:52:03,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:52:03,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:03,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:03,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:04,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:04,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 240 states and 367 transitions. [2022-10-17 16:52:04,593 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 367 transitions. [2022-10-17 16:52:04,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:52:04,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:04,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:04,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:05,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:05,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 248 states and 383 transitions. [2022-10-17 16:52:05,089 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 383 transitions. [2022-10-17 16:52:05,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:52:05,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:05,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:05,468 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:52:07,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:07,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 267 states and 427 transitions. [2022-10-17 16:52:07,559 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 427 transitions. [2022-10-17 16:52:07,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:52:07,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:07,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:07,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:07,769 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:52:09,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:09,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 273 states and 447 transitions. [2022-10-17 16:52:09,681 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 447 transitions. [2022-10-17 16:52:09,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:52:09,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:09,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:09,768 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:52:10,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:10,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 274 states and 450 transitions. [2022-10-17 16:52:10,055 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 450 transitions. [2022-10-17 16:52:10,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:52:10,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:10,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:10,175 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:52:10,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:10,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 276 states and 453 transitions. [2022-10-17 16:52:10,458 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 453 transitions. [2022-10-17 16:52:10,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:52:10,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:10,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:10,506 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:52:11,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:11,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 275 states and 446 transitions. [2022-10-17 16:52:11,052 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 446 transitions. [2022-10-17 16:52:11,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:52:11,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:11,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:11,151 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:52:11,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:11,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 276 states and 448 transitions. [2022-10-17 16:52:11,301 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 448 transitions. [2022-10-17 16:52:11,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:52:11,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:11,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:11,356 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:52:11,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:11,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 276 states and 444 transitions. [2022-10-17 16:52:11,505 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 444 transitions. [2022-10-17 16:52:11,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:52:11,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:11,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:11,567 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:52:11,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:11,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 274 states and 440 transitions. [2022-10-17 16:52:11,691 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 440 transitions. [2022-10-17 16:52:11,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:52:11,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:11,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:11,772 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:52:11,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:11,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 275 states and 441 transitions. [2022-10-17 16:52:11,960 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 441 transitions. [2022-10-17 16:52:11,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:52:11,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:11,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:12,431 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:52:16,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:16,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 293 states and 488 transitions. [2022-10-17 16:52:16,098 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 488 transitions. [2022-10-17 16:52:16,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:52:16,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:16,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:16,178 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:52:17,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:17,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 298 states and 499 transitions. [2022-10-17 16:52:17,123 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 499 transitions. [2022-10-17 16:52:17,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:52:17,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:17,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:17,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:17,188 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:52:17,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:17,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 292 states and 486 transitions. [2022-10-17 16:52:17,230 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 486 transitions. [2022-10-17 16:52:17,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:52:17,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:17,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:17,285 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:52:17,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:17,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 294 states and 491 transitions. [2022-10-17 16:52:17,737 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 491 transitions. [2022-10-17 16:52:17,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:52:17,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:17,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:17,793 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:52:17,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:17,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 295 states and 493 transitions. [2022-10-17 16:52:17,984 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 493 transitions. [2022-10-17 16:52:17,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:52:17,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:17,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:18,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:52:19,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:19,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 302 states and 503 transitions. [2022-10-17 16:52:19,071 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 503 transitions. [2022-10-17 16:52:19,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:52:19,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:19,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:19,179 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:52:19,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:19,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 303 states and 506 transitions. [2022-10-17 16:52:19,574 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 506 transitions. [2022-10-17 16:52:19,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:52:19,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:19,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:19,632 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:52:19,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:19,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 301 states and 501 transitions. [2022-10-17 16:52:19,810 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 501 transitions. [2022-10-17 16:52:19,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:52:19,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:19,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:19,900 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:52:20,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:20,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 302 states and 502 transitions. [2022-10-17 16:52:20,109 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 502 transitions. [2022-10-17 16:52:20,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:52:20,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:20,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:20,730 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.