./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/bin/ukojak-LBtLqBUTdQ --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 6fcbb6774587cda7a5d573623a9a47b3e351563c8bea7eebdf86bc25d20b8061 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:55:54,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:55:54,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:55:54,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:55:54,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:55:54,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:55:54,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:55:54,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:55:54,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:55:54,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:55:54,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:55:54,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:55:54,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:55:54,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:55:54,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:55:54,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:55:54,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:55:54,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:55:54,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:55:54,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:55:54,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:55:54,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:55:54,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:55:54,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:55:54,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:55:54,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:55:54,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:55:54,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:55:54,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:55:54,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:55:54,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:55:54,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:55:54,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:55:54,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:55:54,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:55:54,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:55:54,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:55:54,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:55:54,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:55:54,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:55:54,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:55:54,988 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:55:55,034 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:55:55,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:55:55,036 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:55:55,036 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:55:55,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:55:55,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:55:55,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:55:55,038 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:55:55,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:55:55,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:55:55,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:55:55,039 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:55:55,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:55:55,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:55:55,040 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:55:55,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:55:55,040 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:55:55,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:55:55,040 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:55:55,041 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:55:55,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:55:55,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:55:55,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:55:55,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:55:55,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:55:55,042 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:55:55,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:55:55,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:55:55,042 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_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fcbb6774587cda7a5d573623a9a47b3e351563c8bea7eebdf86bc25d20b8061 [2021-11-23 00:55:55,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:55:55,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:55:55,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:55:55,396 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:55:55,398 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:55:55,400 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2021-11-23 00:55:55,466 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/bin/ukojak-LBtLqBUTdQ/data/326a9953a/6dbc98b0bac0432598372e876c8f8aec/FLAG3564e773c [2021-11-23 00:55:56,114 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:55:56,115 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2021-11-23 00:55:56,137 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/bin/ukojak-LBtLqBUTdQ/data/326a9953a/6dbc98b0bac0432598372e876c8f8aec/FLAG3564e773c [2021-11-23 00:55:56,353 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/bin/ukojak-LBtLqBUTdQ/data/326a9953a/6dbc98b0bac0432598372e876c8f8aec [2021-11-23 00:55:56,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:55:56,359 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:55:56,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:55:56,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:55:56,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:55:56,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:55:56" (1/1) ... [2021-11-23 00:55:56,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3da2a0e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:56, skipping insertion in model container [2021-11-23 00:55:56,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:55:56" (1/1) ... [2021-11-23 00:55:56,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:55:56,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:55:56,840 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_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[8891,8904] [2021-11-23 00:55:56,864 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_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[12143,12156] [2021-11-23 00:55:56,877 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_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13299,13312] [2021-11-23 00:55:56,888 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_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13955,13968] [2021-11-23 00:55:56,917 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_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15434,15447] [2021-11-23 00:55:56,928 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_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16090,16103] [2021-11-23 00:55:56,945 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_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17074,17087] [2021-11-23 00:55:56,969 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_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19370,19383] [2021-11-23 00:55:56,975 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_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20029,20042] [2021-11-23 00:55:56,986 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_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21011,21024] [2021-11-23 00:55:57,012 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_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22802,22815] [2021-11-23 00:55:57,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:55:57,099 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:55:57,168 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_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[8891,8904] [2021-11-23 00:55:57,195 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_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[12143,12156] [2021-11-23 00:55:57,202 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_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13299,13312] [2021-11-23 00:55:57,214 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_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13955,13968] [2021-11-23 00:55:57,226 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_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15434,15447] [2021-11-23 00:55:57,239 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_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16090,16103] [2021-11-23 00:55:57,244 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_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17074,17087] [2021-11-23 00:55:57,265 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_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19370,19383] [2021-11-23 00:55:57,268 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_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20029,20042] [2021-11-23 00:55:57,273 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_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21011,21024] [2021-11-23 00:55:57,283 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_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22802,22815] [2021-11-23 00:55:57,372 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:55:57,398 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:55:57,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:57 WrapperNode [2021-11-23 00:55:57,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:55:57,400 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:55:57,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:55:57,400 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:55:57,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:57" (1/1) ... [2021-11-23 00:55:57,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:57" (1/1) ... [2021-11-23 00:55:57,538 INFO L137 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1788 [2021-11-23 00:55:57,538 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:55:57,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:55:57,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:55:57,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:55:57,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:57" (1/1) ... [2021-11-23 00:55:57,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:57" (1/1) ... [2021-11-23 00:55:57,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:57" (1/1) ... [2021-11-23 00:55:57,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:57" (1/1) ... [2021-11-23 00:55:57,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:57" (1/1) ... [2021-11-23 00:55:57,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:57" (1/1) ... [2021-11-23 00:55:57,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:57" (1/1) ... [2021-11-23 00:55:57,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:55:57,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:55:57,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:55:57,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:55:57,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:57" (1/1) ... [2021-11-23 00:55:57,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:55:57,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:55:57,723 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:55:57,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08a5a90-7574-4598-8ec3-cead0bb3a1d3/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:55:57,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:55:57,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:55:57,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:55:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:55:57,929 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:55:57,933 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:55:59,156 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:55:59,241 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:55:59,241 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 00:55:59,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:55:59 BoogieIcfgContainer [2021-11-23 00:55:59,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:55:59,246 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:55:59,246 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:55:59,255 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:55:59,255 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:55:59" (1/1) ... [2021-11-23 00:55:59,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:55:59,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:59,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 336 states and 598 transitions. [2021-11-23 00:55:59,325 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 598 transitions. [2021-11-23 00:55:59,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:55:59,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:59,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:59,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:00,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:00,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 323 states and 570 transitions. [2021-11-23 00:56:00,020 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 570 transitions. [2021-11-23 00:56:00,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:56:00,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:00,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:00,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:00,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:00,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 310 states and 543 transitions. [2021-11-23 00:56:00,221 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 543 transitions. [2021-11-23 00:56:00,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:56:00,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:00,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:00,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:00,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:00,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 297 states and 516 transitions. [2021-11-23 00:56:00,389 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 516 transitions. [2021-11-23 00:56:00,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:56:00,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:00,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:00,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:00,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:00,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 262 states and 447 transitions. [2021-11-23 00:56:00,889 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 447 transitions. [2021-11-23 00:56:00,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:56:00,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:00,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:01,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:01,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:01,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 257 states and 436 transitions. [2021-11-23 00:56:01,738 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 436 transitions. [2021-11-23 00:56:01,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:56:01,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:01,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:01,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:01,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:01,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 244 states and 409 transitions. [2021-11-23 00:56:01,831 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 409 transitions. [2021-11-23 00:56:01,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:56:01,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:01,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:01,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:03,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:03,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 233 states and 388 transitions. [2021-11-23 00:56:03,180 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 388 transitions. [2021-11-23 00:56:03,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:56:03,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:03,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:03,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:03,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:03,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 228 states and 377 transitions. [2021-11-23 00:56:03,272 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 377 transitions. [2021-11-23 00:56:03,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:56:03,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:03,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:03,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:06,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:06,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 228 states and 376 transitions. [2021-11-23 00:56:06,699 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 376 transitions. [2021-11-23 00:56:06,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:56:06,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:06,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:07,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:12,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:12,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 228 states and 374 transitions. [2021-11-23 00:56:12,296 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 374 transitions. [2021-11-23 00:56:12,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:56:12,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:12,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:12,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:19,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:19,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 228 states and 372 transitions. [2021-11-23 00:56:19,123 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 372 transitions. [2021-11-23 00:56:19,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:56:19,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:19,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:19,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:29,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:29,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 236 states and 385 transitions. [2021-11-23 00:56:29,535 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 385 transitions. [2021-11-23 00:56:29,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:56:29,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:29,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:30,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:31,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:31,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 236 states and 383 transitions. [2021-11-23 00:56:31,676 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 383 transitions. [2021-11-23 00:56:31,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:56:31,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:31,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:32,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:41,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:41,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 228 states and 367 transitions. [2021-11-23 00:56:41,780 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 367 transitions. [2021-11-23 00:56:41,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:56:41,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:41,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:42,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:42,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:42,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 228 states and 366 transitions. [2021-11-23 00:56:42,376 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 366 transitions. [2021-11-23 00:56:42,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:56:42,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:42,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:43,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:43,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:43,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 228 states and 365 transitions. [2021-11-23 00:56:43,952 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 365 transitions. [2021-11-23 00:56:43,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:56:43,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:43,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:44,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:45,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:45,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 228 states and 363 transitions. [2021-11-23 00:56:45,693 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 363 transitions. [2021-11-23 00:56:45,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:56:45,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:45,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:45,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:47,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:47,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 228 states and 361 transitions. [2021-11-23 00:56:47,532 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 361 transitions. [2021-11-23 00:56:47,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:56:47,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:47,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:53,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:23,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:23,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 239 states and 379 transitions. [2021-11-23 00:57:23,772 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 379 transitions. [2021-11-23 00:57:23,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:57:23,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:23,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:26,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:43,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:43,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 165 states and 265 transitions. [2021-11-23 00:57:43,956 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 265 transitions. [2021-11-23 00:57:43,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:57:43,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:43,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:48,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:26,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:26,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 180 states and 291 transitions. [2021-11-23 00:58:26,929 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 291 transitions. [2021-11-23 00:58:26,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:58:26,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:26,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:31,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:24,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:24,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 186 states and 301 transitions. [2021-11-23 00:59:24,590 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 301 transitions. [2021-11-23 00:59:24,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 00:59:24,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:24,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:31,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:38,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:38,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 192 states and 311 transitions. [2021-11-23 01:00:38,735 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 311 transitions. [2021-11-23 01:00:38,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:00:38,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:38,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:38,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:43,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:10,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:10,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 187 states and 304 transitions. [2021-11-23 01:01:10,855 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 304 transitions. [2021-11-23 01:01:10,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:01:10,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:10,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:13,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:23,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:23,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 153 states and 249 transitions. [2021-11-23 01:01:23,081 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 249 transitions. [2021-11-23 01:01:23,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:01:23,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:23,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:23,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:29,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:29,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 155 states and 251 transitions. [2021-11-23 01:01:29,431 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 251 transitions. [2021-11-23 01:01:29,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:01:29,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:29,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:34,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:02:27,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:27,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 155 states and 249 transitions. [2021-11-23 01:02:27,245 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 249 transitions. [2021-11-23 01:02:27,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:02:27,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:27,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:32,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:12,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:12,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 161 states and 260 transitions. [2021-11-23 01:03:12,004 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 260 transitions. [2021-11-23 01:03:12,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:03:12,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:12,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:12,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:03:17,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:17,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 161 states and 259 transitions. [2021-11-23 01:03:17,099 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 259 transitions. [2021-11-23 01:03:17,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:03:17,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:17,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:30,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:04:58,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:58,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 162 states and 262 transitions. [2021-11-23 01:04:58,253 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 262 transitions. [2021-11-23 01:04:58,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:04:58,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:58,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:58,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:05:09,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:09,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 145 states and 232 transitions. [2021-11-23 01:05:09,168 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 232 transitions. [2021-11-23 01:05:09,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:05:09,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:09,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:25,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:23,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:23,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 161 states and 260 transitions. [2021-11-23 01:06:23,729 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 260 transitions. [2021-11-23 01:06:23,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:06:23,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:23,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:39,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.