./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix007.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe80e7d-1402-42df-91f0-c534c216d90d/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe80e7d-1402-42df-91f0-c534c216d90d/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe80e7d-1402-42df-91f0-c534c216d90d/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe80e7d-1402-42df-91f0-c534c216d90d/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix007.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe80e7d-1402-42df-91f0-c534c216d90d/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe80e7d-1402-42df-91f0-c534c216d90d/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87b62b2cd45c104fec3a3f6f97bb4a2e98408c552f26c7f9920866b9b8c9b373 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:04:57,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:04:57,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:04:57,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:04:57,094 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:04:57,095 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:04:57,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:04:57,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:04:57,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:04:57,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:04:57,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:04:57,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:04:57,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:04:57,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:04:57,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:04:57,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:04:57,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:04:57,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:04:57,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:04:57,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:04:57,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:04:57,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:04:57,135 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:04:57,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:04:57,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:04:57,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:04:57,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:04:57,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:04:57,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:04:57,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:04:57,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:04:57,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:04:57,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:04:57,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:04:57,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:04:57,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:04:57,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:04:57,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:04:57,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:04:57,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:04:57,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:04:57,174 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe80e7d-1402-42df-91f0-c534c216d90d/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-25 18:04:57,198 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:04:57,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:04:57,199 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:04:57,200 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:04:57,201 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:04:57,201 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:04:57,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:04:57,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:04:57,203 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:04:57,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:04:57,203 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:04:57,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:04:57,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:04:57,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:04:57,205 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:04:57,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:04:57,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:04:57,206 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:04:57,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:04:57,206 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:04:57,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:04:57,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:04:57,207 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:04:57,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:04:57,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:04:57,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:04:57,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:04:57,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:04:57,209 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:04:57,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:04:57,210 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:04:57,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:04:57,211 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:04:57,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:04:57,211 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe80e7d-1402-42df-91f0-c534c216d90d/bin/uautomizer-ZsLfNo2U6R/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe80e7d-1402-42df-91f0-c534c216d90d/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87b62b2cd45c104fec3a3f6f97bb4a2e98408c552f26c7f9920866b9b8c9b373 [2022-11-25 18:04:57,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:04:57,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:04:57,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:04:57,604 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:04:57,604 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:04:57,606 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe80e7d-1402-42df-91f0-c534c216d90d/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/pthread-wmm/mix007.oepc.i [2022-11-25 18:05:00,882 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:05:01,224 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:05:01,225 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe80e7d-1402-42df-91f0-c534c216d90d/sv-benchmarks/c/pthread-wmm/mix007.oepc.i [2022-11-25 18:05:01,249 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe80e7d-1402-42df-91f0-c534c216d90d/bin/uautomizer-ZsLfNo2U6R/data/a9ef47e17/da2e818a18f24b5fad366b8f3b911539/FLAG37e0532c2 [2022-11-25 18:05:01,273 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe80e7d-1402-42df-91f0-c534c216d90d/bin/uautomizer-ZsLfNo2U6R/data/a9ef47e17/da2e818a18f24b5fad366b8f3b911539 [2022-11-25 18:05:01,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:05:01,281 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:05:01,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:05:01,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:05:01,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:05:01,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:05:01" (1/1) ... [2022-11-25 18:05:01,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a2f3bc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:05:01, skipping insertion in model container [2022-11-25 18:05:01,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:05:01" (1/1) ... [2022-11-25 18:05:01,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:05:01,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:05:01,645 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe80e7d-1402-42df-91f0-c534c216d90d/sv-benchmarks/c/pthread-wmm/mix007.oepc.i[945,958] [2022-11-25 18:05:01,972 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:01,978 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:01,979 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:01,980 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:01,981 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:01,989 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:01,990 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:01,991 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:01,992 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:01,992 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:01,993 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:01,993 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:01,994 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,005 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,005 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,006 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,013 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,013 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,013 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,014 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,015 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,015 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,016 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,026 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,027 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,029 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,030 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,030 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,031 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,031 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,031 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,051 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,052 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,060 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,063 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,064 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,074 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,075 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,075 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,081 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,082 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,083 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:05:02,101 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:05:02,118 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe80e7d-1402-42df-91f0-c534c216d90d/sv-benchmarks/c/pthread-wmm/mix007.oepc.i[945,958] [2022-11-25 18:05:02,183 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,185 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,187 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,188 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,188 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,190 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,199 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,200 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,201 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,201 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,202 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,202 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,202 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,204 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,205 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,205 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,206 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,210 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,211 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,211 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,211 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,212 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,212 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,214 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,220 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,221 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,222 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,222 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,222 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,223 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,223 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,228 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,234 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,236 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,237 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,237 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,243 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,247 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,247 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,250 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,251 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 18:05:02,252 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 18:05:02,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:05:02,303 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:05:02,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:05:02 WrapperNode [2022-11-25 18:05:02,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:05:02,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:05:02,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:05:02,306 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:05:02,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:05:02" (1/1) ... [2022-11-25 18:05:02,363 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:05:02" (1/1) ... [2022-11-25 18:05:02,409 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 146 [2022-11-25 18:05:02,410 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:05:02,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:05:02,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:05:02,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:05:02,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:05:02" (1/1) ... [2022-11-25 18:05:02,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:05:02" (1/1) ... [2022-11-25 18:05:02,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:05:02" (1/1) ... [2022-11-25 18:05:02,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:05:02" (1/1) ... [2022-11-25 18:05:02,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:05:02" (1/1) ... [2022-11-25 18:05:02,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:05:02" (1/1) ... [2022-11-25 18:05:02,476 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:05:02" (1/1) ... [2022-11-25 18:05:02,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:05:02" (1/1) ... [2022-11-25 18:05:02,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:05:02,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:05:02,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:05:02,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:05:02,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:05:02" (1/1) ... [2022-11-25 18:05:02,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:05:02,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe80e7d-1402-42df-91f0-c534c216d90d/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:05:02,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe80e7d-1402-42df-91f0-c534c216d90d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:05:02,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe80e7d-1402-42df-91f0-c534c216d90d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:05:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:05:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 18:05:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:05:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:05:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:05:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-25 18:05:02,610 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-25 18:05:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-25 18:05:02,611 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-25 18:05:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-25 18:05:02,611 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-25 18:05:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-11-25 18:05:02,612 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-11-25 18:05:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:05:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 18:05:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:05:02,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:05:02,614 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 18:05:02,830 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:05:02,833 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:05:03,377 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:05:03,769 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:05:03,770 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 18:05:03,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:05:03 BoogieIcfgContainer [2022-11-25 18:05:03,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:05:03,780 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:05:03,780 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:05:03,784 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:05:03,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:05:01" (1/3) ... [2022-11-25 18:05:03,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16a4e173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:05:03, skipping insertion in model container [2022-11-25 18:05:03,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:05:02" (2/3) ... [2022-11-25 18:05:03,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16a4e173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:05:03, skipping insertion in model container [2022-11-25 18:05:03,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:05:03" (3/3) ... [2022-11-25 18:05:03,799 INFO L112 eAbstractionObserver]: Analyzing ICFG mix007.oepc.i [2022-11-25 18:05:03,815 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 18:05:03,829 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:05:03,830 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 18:05:03,831 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 18:05:03,946 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 18:05:04,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 151 places, 140 transitions, 300 flow [2022-11-25 18:05:04,197 INFO L130 PetriNetUnfolder]: 2/136 cut-off events. [2022-11-25 18:05:04,198 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 18:05:04,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 136 events. 2/136 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 76 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 93. Up to 2 conditions per place. [2022-11-25 18:05:04,207 INFO L82 GeneralOperation]: Start removeDead. Operand has 151 places, 140 transitions, 300 flow [2022-11-25 18:05:04,219 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 147 places, 136 transitions, 284 flow [2022-11-25 18:05:04,224 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 18:05:04,264 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 147 places, 136 transitions, 284 flow [2022-11-25 18:05:04,269 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 147 places, 136 transitions, 284 flow [2022-11-25 18:05:04,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 147 places, 136 transitions, 284 flow [2022-11-25 18:05:04,326 INFO L130 PetriNetUnfolder]: 2/136 cut-off events. [2022-11-25 18:05:04,327 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 18:05:04,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 136 events. 2/136 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 76 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 93. Up to 2 conditions per place. [2022-11-25 18:05:04,331 INFO L119 LiptonReduction]: Number of co-enabled transitions 3534 [2022-11-25 18:05:11,837 INFO L134 LiptonReduction]: Checked pairs total: 10170 [2022-11-25 18:05:11,837 INFO L136 LiptonReduction]: Total number of compositions: 117 [2022-11-25 18:05:11,857 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:05:11,865 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@32d27c67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:05:11,866 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-25 18:05:11,870 INFO L130 PetriNetUnfolder]: 0/3 cut-off events. [2022-11-25 18:05:11,870 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 18:05:11,870 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:05:11,871 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-11-25 18:05:11,872 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-25 18:05:11,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:11,878 INFO L85 PathProgramCache]: Analyzing trace with hash 576090, now seen corresponding path program 1 times [2022-11-25 18:05:11,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:11,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379949286] [2022-11-25 18:05:11,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:11,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:12,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:12,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:12,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379949286] [2022-11-25 18:05:12,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379949286] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:12,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:12,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 18:05:12,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439841805] [2022-11-25 18:05:12,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:12,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:05:12,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:12,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:05:12,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:05:12,481 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 257 [2022-11-25 18:05:12,484 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 33 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:12,485 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:05:12,485 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 257 [2022-11-25 18:05:12,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:05:14,290 INFO L130 PetriNetUnfolder]: 5879/8067 cut-off events. [2022-11-25 18:05:14,291 INFO L131 PetriNetUnfolder]: For 77/77 co-relation queries the response was YES. [2022-11-25 18:05:14,316 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16211 conditions, 8067 events. 5879/8067 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 40916 event pairs, 3031 based on Foata normal form. 0/7720 useless extension candidates. Maximal degree in co-relation 16199. Up to 6367 conditions per place. [2022-11-25 18:05:14,364 INFO L137 encePairwiseOnDemand]: 253/257 looper letters, 43 selfloop transitions, 2 changer transitions 2/52 dead transitions. [2022-11-25 18:05:14,364 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 52 transitions, 219 flow [2022-11-25 18:05:14,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:05:14,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 18:05:14,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 422 transitions. [2022-11-25 18:05:14,394 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5473411154345007 [2022-11-25 18:05:14,395 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 422 transitions. [2022-11-25 18:05:14,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 422 transitions. [2022-11-25 18:05:14,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:05:14,404 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 422 transitions. [2022-11-25 18:05:14,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:14,420 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:14,421 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 257.0) internal successors, (1028), 4 states have internal predecessors, (1028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:14,423 INFO L175 Difference]: Start difference. First operand has 45 places, 33 transitions, 78 flow. Second operand 3 states and 422 transitions. [2022-11-25 18:05:14,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 52 transitions, 219 flow [2022-11-25 18:05:14,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 52 transitions, 212 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-25 18:05:14,435 INFO L231 Difference]: Finished difference. Result has 42 places, 30 transitions, 72 flow [2022-11-25 18:05:14,438 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=42, PETRI_TRANSITIONS=30} [2022-11-25 18:05:14,445 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, -3 predicate places. [2022-11-25 18:05:14,445 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 30 transitions, 72 flow [2022-11-25 18:05:14,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:14,446 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:05:14,446 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:14,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:05:14,447 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-25 18:05:14,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:14,461 INFO L85 PathProgramCache]: Analyzing trace with hash -487447029, now seen corresponding path program 1 times [2022-11-25 18:05:14,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:14,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924642987] [2022-11-25 18:05:14,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:14,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:14,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:14,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:14,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924642987] [2022-11-25 18:05:14,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924642987] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:14,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:14,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:05:14,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502481520] [2022-11-25 18:05:14,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:14,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:05:14,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:14,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:05:14,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:05:14,908 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 257 [2022-11-25 18:05:14,909 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 30 transitions, 72 flow. Second operand has 4 states, 4 states have (on average 123.0) internal successors, (492), 4 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:14,910 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:05:14,910 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 257 [2022-11-25 18:05:14,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:05:17,028 INFO L130 PetriNetUnfolder]: 6833/10139 cut-off events. [2022-11-25 18:05:17,028 INFO L131 PetriNetUnfolder]: For 631/631 co-relation queries the response was YES. [2022-11-25 18:05:17,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20347 conditions, 10139 events. 6833/10139 cut-off events. For 631/631 co-relation queries the response was YES. Maximal size of possible extension queue 474. Compared 61715 event pairs, 1621 based on Foata normal form. 400/10402 useless extension candidates. Maximal degree in co-relation 20337. Up to 7669 conditions per place. [2022-11-25 18:05:17,111 INFO L137 encePairwiseOnDemand]: 252/257 looper letters, 39 selfloop transitions, 3 changer transitions 25/71 dead transitions. [2022-11-25 18:05:17,112 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 71 transitions, 298 flow [2022-11-25 18:05:17,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:05:17,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-25 18:05:17,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 669 transitions. [2022-11-25 18:05:17,115 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5206225680933853 [2022-11-25 18:05:17,116 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 669 transitions. [2022-11-25 18:05:17,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 669 transitions. [2022-11-25 18:05:17,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:05:17,117 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 669 transitions. [2022-11-25 18:05:17,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 133.8) internal successors, (669), 5 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:17,123 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 257.0) internal successors, (1542), 6 states have internal predecessors, (1542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:17,124 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 257.0) internal successors, (1542), 6 states have internal predecessors, (1542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:17,125 INFO L175 Difference]: Start difference. First operand has 42 places, 30 transitions, 72 flow. Second operand 5 states and 669 transitions. [2022-11-25 18:05:17,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 71 transitions, 298 flow [2022-11-25 18:05:17,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 71 transitions, 288 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-25 18:05:17,135 INFO L231 Difference]: Finished difference. Result has 46 places, 32 transitions, 95 flow [2022-11-25 18:05:17,136 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=95, PETRI_PLACES=46, PETRI_TRANSITIONS=32} [2022-11-25 18:05:17,141 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 1 predicate places. [2022-11-25 18:05:17,141 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 32 transitions, 95 flow [2022-11-25 18:05:17,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 123.0) internal successors, (492), 4 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:17,142 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:05:17,143 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:17,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:05:17,143 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-25 18:05:17,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:17,152 INFO L85 PathProgramCache]: Analyzing trace with hash 2069035037, now seen corresponding path program 1 times [2022-11-25 18:05:17,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:17,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609685819] [2022-11-25 18:05:17,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:17,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:17,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:17,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:17,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609685819] [2022-11-25 18:05:17,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609685819] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:17,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:17,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:05:17,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251300104] [2022-11-25 18:05:17,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:17,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:05:17,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:17,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:05:17,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:05:17,561 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 257 [2022-11-25 18:05:17,563 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 32 transitions, 95 flow. Second operand has 5 states, 5 states have (on average 113.6) internal successors, (568), 5 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:17,563 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:05:17,563 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 257 [2022-11-25 18:05:17,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:05:22,341 INFO L130 PetriNetUnfolder]: 19979/27040 cut-off events. [2022-11-25 18:05:22,342 INFO L131 PetriNetUnfolder]: For 8506/8506 co-relation queries the response was YES. [2022-11-25 18:05:22,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61189 conditions, 27040 events. 19979/27040 cut-off events. For 8506/8506 co-relation queries the response was YES. Maximal size of possible extension queue 800. Compared 139889 event pairs, 3799 based on Foata normal form. 1200/28240 useless extension candidates. Maximal degree in co-relation 61176. Up to 13013 conditions per place. [2022-11-25 18:05:22,523 INFO L137 encePairwiseOnDemand]: 247/257 looper letters, 57 selfloop transitions, 9 changer transitions 47/113 dead transitions. [2022-11-25 18:05:22,523 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 113 transitions, 529 flow [2022-11-25 18:05:22,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:05:22,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-11-25 18:05:22,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 889 transitions. [2022-11-25 18:05:22,527 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49416342412451364 [2022-11-25 18:05:22,527 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 889 transitions. [2022-11-25 18:05:22,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 889 transitions. [2022-11-25 18:05:22,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:05:22,529 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 889 transitions. [2022-11-25 18:05:22,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 127.0) internal successors, (889), 7 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:22,536 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 257.0) internal successors, (2056), 8 states have internal predecessors, (2056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:22,537 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 257.0) internal successors, (2056), 8 states have internal predecessors, (2056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:22,537 INFO L175 Difference]: Start difference. First operand has 46 places, 32 transitions, 95 flow. Second operand 7 states and 889 transitions. [2022-11-25 18:05:22,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 113 transitions, 529 flow [2022-11-25 18:05:22,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 113 transitions, 520 flow, removed 2 selfloop flow, removed 2 redundant places. [2022-11-25 18:05:22,785 INFO L231 Difference]: Finished difference. Result has 54 places, 39 transitions, 186 flow [2022-11-25 18:05:22,786 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=186, PETRI_PLACES=54, PETRI_TRANSITIONS=39} [2022-11-25 18:05:22,787 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 9 predicate places. [2022-11-25 18:05:22,788 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 39 transitions, 186 flow [2022-11-25 18:05:22,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 113.6) internal successors, (568), 5 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:22,789 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:05:22,789 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:22,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 18:05:22,790 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-25 18:05:22,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:22,791 INFO L85 PathProgramCache]: Analyzing trace with hash -515630144, now seen corresponding path program 1 times [2022-11-25 18:05:22,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:22,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138668574] [2022-11-25 18:05:22,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:22,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:23,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:23,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:23,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138668574] [2022-11-25 18:05:23,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138668574] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:23,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:23,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:05:23,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712137836] [2022-11-25 18:05:23,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:23,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:05:23,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:23,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:05:23,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:05:23,106 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 257 [2022-11-25 18:05:23,108 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 39 transitions, 186 flow. Second operand has 4 states, 4 states have (on average 124.5) internal successors, (498), 4 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:23,108 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:05:23,108 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 257 [2022-11-25 18:05:23,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:05:25,926 INFO L130 PetriNetUnfolder]: 13024/18766 cut-off events. [2022-11-25 18:05:25,926 INFO L131 PetriNetUnfolder]: For 29004/29756 co-relation queries the response was YES. [2022-11-25 18:05:26,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51902 conditions, 18766 events. 13024/18766 cut-off events. For 29004/29756 co-relation queries the response was YES. Maximal size of possible extension queue 747. Compared 113129 event pairs, 4081 based on Foata normal form. 882/19199 useless extension candidates. Maximal degree in co-relation 51883. Up to 11281 conditions per place. [2022-11-25 18:05:26,289 INFO L137 encePairwiseOnDemand]: 253/257 looper letters, 42 selfloop transitions, 3 changer transitions 26/80 dead transitions. [2022-11-25 18:05:26,289 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 80 transitions, 458 flow [2022-11-25 18:05:26,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:05:26,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-25 18:05:26,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 670 transitions. [2022-11-25 18:05:26,293 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5214007782101168 [2022-11-25 18:05:26,294 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 670 transitions. [2022-11-25 18:05:26,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 670 transitions. [2022-11-25 18:05:26,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:05:26,295 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 670 transitions. [2022-11-25 18:05:26,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:26,301 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 257.0) internal successors, (1542), 6 states have internal predecessors, (1542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:26,303 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 257.0) internal successors, (1542), 6 states have internal predecessors, (1542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:26,303 INFO L175 Difference]: Start difference. First operand has 54 places, 39 transitions, 186 flow. Second operand 5 states and 670 transitions. [2022-11-25 18:05:26,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 80 transitions, 458 flow [2022-11-25 18:05:26,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 80 transitions, 442 flow, removed 7 selfloop flow, removed 3 redundant places. [2022-11-25 18:05:26,768 INFO L231 Difference]: Finished difference. Result has 55 places, 39 transitions, 187 flow [2022-11-25 18:05:26,769 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=187, PETRI_PLACES=55, PETRI_TRANSITIONS=39} [2022-11-25 18:05:26,772 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 10 predicate places. [2022-11-25 18:05:26,772 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 39 transitions, 187 flow [2022-11-25 18:05:26,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 124.5) internal successors, (498), 4 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:26,773 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:05:26,773 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:26,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 18:05:26,774 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-25 18:05:26,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:26,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1195074016, now seen corresponding path program 1 times [2022-11-25 18:05:26,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:26,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301968826] [2022-11-25 18:05:26,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:26,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:27,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:27,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:27,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301968826] [2022-11-25 18:05:27,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301968826] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:27,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:27,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:05:27,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578107046] [2022-11-25 18:05:27,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:27,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:05:27,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:27,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:05:27,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:05:27,158 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 257 [2022-11-25 18:05:27,159 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 39 transitions, 187 flow. Second operand has 4 states, 4 states have (on average 121.5) internal successors, (486), 4 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:27,159 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:05:27,160 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 257 [2022-11-25 18:05:27,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:05:27,952 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][54], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 187#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0)), 83#L878-3true, Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), 104#L808true, 197#(= ~main$tmp_guard0~0 0), 115#P1EXITtrue, P2Thread1of1ForFork0InUse, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 170#(= ~__unbuffered_p3_EAX~0 0), P1Thread1of1ForFork3InUse, 61#L847true, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 168#true, 58#L768true, 184#true, Black: 189#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (= ~__unbuffered_p2_EAX~0 0))]) [2022-11-25 18:05:27,953 INFO L383 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2022-11-25 18:05:27,953 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-11-25 18:05:27,954 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-11-25 18:05:27,954 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-11-25 18:05:27,959 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][60], [Black: 187#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), 186#(= ~__unbuffered_p2_EAX~0 0), 115#P1EXITtrue, 116#L881true, P2Thread1of1ForFork0InUse, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 170#(= ~__unbuffered_p3_EAX~0 0), 194#true, P1Thread1of1ForFork3InUse, 61#L847true, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P0Thread1of1ForFork1InUse, 12#L805true, P3Thread1of1ForFork2InUse, 168#true, 58#L768true, Black: 189#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (= ~__unbuffered_p2_EAX~0 0))]) [2022-11-25 18:05:27,960 INFO L383 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2022-11-25 18:05:27,960 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-11-25 18:05:27,960 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-11-25 18:05:27,960 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-11-25 18:05:28,167 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][54], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 187#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), 104#L808true, 197#(= ~main$tmp_guard0~0 0), 115#P1EXITtrue, 116#L881true, P2Thread1of1ForFork0InUse, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 170#(= ~__unbuffered_p3_EAX~0 0), P1Thread1of1ForFork3InUse, 61#L847true, P0Thread1of1ForFork1InUse, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P3Thread1of1ForFork2InUse, 168#true, 58#L768true, 184#true, Black: 189#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (= ~__unbuffered_p2_EAX~0 0))]) [2022-11-25 18:05:28,167 INFO L383 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2022-11-25 18:05:28,167 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-11-25 18:05:28,167 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-11-25 18:05:28,167 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-11-25 18:05:28,169 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][54], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 187#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0)), 83#L878-3true, Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), 197#(= ~main$tmp_guard0~0 0), 115#P1EXITtrue, P2Thread1of1ForFork0InUse, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), 112#L811true, Black: 170#(= ~__unbuffered_p3_EAX~0 0), P1Thread1of1ForFork3InUse, 61#L847true, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 168#true, 58#L768true, 184#true, Black: 189#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (= ~__unbuffered_p2_EAX~0 0))]) [2022-11-25 18:05:28,169 INFO L383 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2022-11-25 18:05:28,169 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-11-25 18:05:28,169 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-11-25 18:05:28,169 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-11-25 18:05:28,171 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][60], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 187#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), 104#L808true, 115#P1EXITtrue, 116#L881true, P2Thread1of1ForFork0InUse, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 170#(= ~__unbuffered_p3_EAX~0 0), 194#true, P1Thread1of1ForFork3InUse, 61#L847true, P0Thread1of1ForFork1InUse, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P3Thread1of1ForFork2InUse, 168#true, 58#L768true, 184#true, Black: 189#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (= ~__unbuffered_p2_EAX~0 0))]) [2022-11-25 18:05:28,171 INFO L383 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2022-11-25 18:05:28,171 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-11-25 18:05:28,171 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-11-25 18:05:28,171 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-11-25 18:05:28,174 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][60], [Black: 187#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), 186#(= ~__unbuffered_p2_EAX~0 0), 115#P1EXITtrue, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), P2Thread1of1ForFork0InUse, Black: 170#(= ~__unbuffered_p3_EAX~0 0), 194#true, P1Thread1of1ForFork3InUse, 61#L847true, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 12#L805true, 11#L889true, 168#true, 58#L768true, Black: 189#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (= ~__unbuffered_p2_EAX~0 0))]) [2022-11-25 18:05:28,174 INFO L383 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2022-11-25 18:05:28,175 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-11-25 18:05:28,175 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-11-25 18:05:28,175 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-11-25 18:05:28,504 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][60], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 187#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), 104#L808true, 115#P1EXITtrue, 116#L881true, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), P2Thread1of1ForFork0InUse, Black: 170#(= ~__unbuffered_p3_EAX~0 0), 194#true, P1Thread1of1ForFork3InUse, 61#L847true, P0Thread1of1ForFork1InUse, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P3Thread1of1ForFork2InUse, 168#true, 58#L768true, 184#true, Black: 189#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (= ~__unbuffered_p2_EAX~0 0))]) [2022-11-25 18:05:28,504 INFO L383 tUnfolder$Statistics]: this new event has 20 ancestors and is not cut-off event [2022-11-25 18:05:28,504 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2022-11-25 18:05:28,504 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2022-11-25 18:05:28,504 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2022-11-25 18:05:28,505 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2022-11-25 18:05:28,505 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][60], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 187#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), 115#P1EXITtrue, 116#L881true, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), P2Thread1of1ForFork0InUse, 112#L811true, Black: 170#(= ~__unbuffered_p3_EAX~0 0), 194#true, P1Thread1of1ForFork3InUse, 61#L847true, P0Thread1of1ForFork1InUse, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P3Thread1of1ForFork2InUse, 168#true, 58#L768true, 184#true, Black: 189#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (= ~__unbuffered_p2_EAX~0 0))]) [2022-11-25 18:05:28,505 INFO L383 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2022-11-25 18:05:28,506 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-11-25 18:05:28,506 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-11-25 18:05:28,506 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-11-25 18:05:28,531 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][54], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 187#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), 197#(= ~main$tmp_guard0~0 0), 115#P1EXITtrue, 116#L881true, P2Thread1of1ForFork0InUse, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), 112#L811true, Black: 170#(= ~__unbuffered_p3_EAX~0 0), P1Thread1of1ForFork3InUse, 61#L847true, P0Thread1of1ForFork1InUse, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P3Thread1of1ForFork2InUse, 168#true, 58#L768true, 184#true, Black: 189#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (= ~__unbuffered_p2_EAX~0 0))]) [2022-11-25 18:05:28,532 INFO L383 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2022-11-25 18:05:28,532 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-11-25 18:05:28,532 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-11-25 18:05:28,532 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-11-25 18:05:28,533 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][60], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 187#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), 115#P1EXITtrue, 116#L881true, P2Thread1of1ForFork0InUse, 112#L811true, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 170#(= ~__unbuffered_p3_EAX~0 0), P1Thread1of1ForFork3InUse, 194#true, 61#L847true, P0Thread1of1ForFork1InUse, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P3Thread1of1ForFork2InUse, 168#true, 58#L768true, 184#true, Black: 189#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (= ~__unbuffered_p2_EAX~0 0))]) [2022-11-25 18:05:28,533 INFO L383 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2022-11-25 18:05:28,533 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-11-25 18:05:28,533 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-11-25 18:05:28,533 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-11-25 18:05:28,533 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-11-25 18:05:28,535 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][60], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 187#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), 104#L808true, 115#P1EXITtrue, P2Thread1of1ForFork0InUse, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 170#(= ~__unbuffered_p3_EAX~0 0), P1Thread1of1ForFork3InUse, 194#true, 61#L847true, P0Thread1of1ForFork1InUse, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P3Thread1of1ForFork2InUse, 11#L889true, 168#true, 58#L768true, 184#true, Black: 189#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (= ~__unbuffered_p2_EAX~0 0))]) [2022-11-25 18:05:28,536 INFO L383 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2022-11-25 18:05:28,536 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-11-25 18:05:28,536 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-11-25 18:05:28,536 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-11-25 18:05:28,536 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([445] L889-->L893: Formula: (= v_~main$tmp_guard1~0_6 (ite (= (ite (not (and (= v_~__unbuffered_p0_EAX~0_9 0) (= v_~__unbuffered_p2_EBX~0_8 0) (= v_~__unbuffered_p2_EAX~0_8 2) (= v_~__unbuffered_p3_EAX~0_6 1) (= 0 v_~__unbuffered_p3_EBX~0_14) (= 2 v_~y~0_8))) 1 0) 0) 0 1)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_9, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_8, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_6, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_8, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_14, ~y~0=v_~y~0_8} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_9, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_8, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_6, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_6, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_8, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_14, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~main$tmp_guard1~0][74], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 187#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0)), 24#L831true, Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), 104#L808true, 115#P1EXITtrue, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), P2Thread1of1ForFork0InUse, Black: 170#(= ~__unbuffered_p3_EAX~0 0), 194#true, P1Thread1of1ForFork3InUse, P0Thread1of1ForFork1InUse, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P3Thread1of1ForFork2InUse, 168#true, 58#L768true, 184#true, 89#L893true, Black: 189#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (= ~__unbuffered_p2_EAX~0 0))]) [2022-11-25 18:05:28,536 INFO L383 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2022-11-25 18:05:28,537 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-11-25 18:05:28,537 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-11-25 18:05:28,537 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-11-25 18:05:28,671 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][60], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 187#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), 104#L808true, 115#P1EXITtrue, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), P2Thread1of1ForFork0InUse, Black: 170#(= ~__unbuffered_p3_EAX~0 0), 194#true, P1Thread1of1ForFork3InUse, 61#L847true, P0Thread1of1ForFork1InUse, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P3Thread1of1ForFork2InUse, 11#L889true, 168#true, 58#L768true, 184#true, Black: 189#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (= ~__unbuffered_p2_EAX~0 0))]) [2022-11-25 18:05:28,672 INFO L383 tUnfolder$Statistics]: this new event has 21 ancestors and is not cut-off event [2022-11-25 18:05:28,672 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2022-11-25 18:05:28,672 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2022-11-25 18:05:28,672 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2022-11-25 18:05:28,672 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2022-11-25 18:05:28,673 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][60], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 187#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), 115#P1EXITtrue, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), P2Thread1of1ForFork0InUse, 112#L811true, Black: 170#(= ~__unbuffered_p3_EAX~0 0), 194#true, P1Thread1of1ForFork3InUse, 61#L847true, P0Thread1of1ForFork1InUse, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P3Thread1of1ForFork2InUse, 11#L889true, 168#true, 58#L768true, 184#true, Black: 189#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (= ~__unbuffered_p2_EAX~0 0))]) [2022-11-25 18:05:28,673 INFO L383 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2022-11-25 18:05:28,673 INFO L386 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-11-25 18:05:28,673 INFO L386 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-11-25 18:05:28,673 INFO L386 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-11-25 18:05:28,674 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([445] L889-->L893: Formula: (= v_~main$tmp_guard1~0_6 (ite (= (ite (not (and (= v_~__unbuffered_p0_EAX~0_9 0) (= v_~__unbuffered_p2_EBX~0_8 0) (= v_~__unbuffered_p2_EAX~0_8 2) (= v_~__unbuffered_p3_EAX~0_6 1) (= 0 v_~__unbuffered_p3_EBX~0_14) (= 2 v_~y~0_8))) 1 0) 0) 0 1)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_9, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_8, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_6, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_8, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_14, ~y~0=v_~y~0_8} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_9, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_8, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_6, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_6, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_8, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_14, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~main$tmp_guard1~0][74], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 187#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0)), 24#L831true, Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), 104#L808true, 115#P1EXITtrue, P2Thread1of1ForFork0InUse, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 170#(= ~__unbuffered_p3_EAX~0 0), P1Thread1of1ForFork3InUse, 194#true, P0Thread1of1ForFork1InUse, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P3Thread1of1ForFork2InUse, 168#true, 58#L768true, 184#true, 89#L893true, Black: 189#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (= ~__unbuffered_p2_EAX~0 0))]) [2022-11-25 18:05:28,674 INFO L383 tUnfolder$Statistics]: this new event has 21 ancestors and is not cut-off event [2022-11-25 18:05:28,674 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2022-11-25 18:05:28,674 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2022-11-25 18:05:28,674 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2022-11-25 18:05:28,674 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2022-11-25 18:05:28,675 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([445] L889-->L893: Formula: (= v_~main$tmp_guard1~0_6 (ite (= (ite (not (and (= v_~__unbuffered_p0_EAX~0_9 0) (= v_~__unbuffered_p2_EBX~0_8 0) (= v_~__unbuffered_p2_EAX~0_8 2) (= v_~__unbuffered_p3_EAX~0_6 1) (= 0 v_~__unbuffered_p3_EBX~0_14) (= 2 v_~y~0_8))) 1 0) 0) 0 1)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_9, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_8, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_6, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_8, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_14, ~y~0=v_~y~0_8} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_9, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_8, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_6, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_6, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_8, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_14, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~main$tmp_guard1~0][74], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 187#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0)), 24#L831true, Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), 115#P1EXITtrue, P2Thread1of1ForFork0InUse, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), 112#L811true, Black: 170#(= ~__unbuffered_p3_EAX~0 0), P1Thread1of1ForFork3InUse, 194#true, P0Thread1of1ForFork1InUse, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P3Thread1of1ForFork2InUse, 168#true, 58#L768true, 184#true, 89#L893true, Black: 189#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (= ~__unbuffered_p2_EAX~0 0))]) [2022-11-25 18:05:28,675 INFO L383 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2022-11-25 18:05:28,675 INFO L386 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-11-25 18:05:28,675 INFO L386 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-11-25 18:05:28,675 INFO L386 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-11-25 18:05:28,700 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][60], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 187#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), 115#P1EXITtrue, P2Thread1of1ForFork0InUse, 112#L811true, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 170#(= ~__unbuffered_p3_EAX~0 0), P1Thread1of1ForFork3InUse, 194#true, 61#L847true, P0Thread1of1ForFork1InUse, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P3Thread1of1ForFork2InUse, 11#L889true, 168#true, 58#L768true, 184#true, Black: 189#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (= ~__unbuffered_p2_EAX~0 0))]) [2022-11-25 18:05:28,701 INFO L383 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2022-11-25 18:05:28,701 INFO L386 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-11-25 18:05:28,701 INFO L386 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-11-25 18:05:28,701 INFO L386 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-11-25 18:05:28,701 INFO L386 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-11-25 18:05:28,702 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([445] L889-->L893: Formula: (= v_~main$tmp_guard1~0_6 (ite (= (ite (not (and (= v_~__unbuffered_p0_EAX~0_9 0) (= v_~__unbuffered_p2_EBX~0_8 0) (= v_~__unbuffered_p2_EAX~0_8 2) (= v_~__unbuffered_p3_EAX~0_6 1) (= 0 v_~__unbuffered_p3_EBX~0_14) (= 2 v_~y~0_8))) 1 0) 0) 0 1)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_9, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_8, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_6, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_8, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_14, ~y~0=v_~y~0_8} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_9, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_8, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_6, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_6, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_8, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_14, ~y~0=v_~y~0_8} AuxVars[] AssignedVars[~main$tmp_guard1~0][74], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 187#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0)), 24#L831true, Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), 115#P1EXITtrue, P2Thread1of1ForFork0InUse, 112#L811true, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 170#(= ~__unbuffered_p3_EAX~0 0), P1Thread1of1ForFork3InUse, 194#true, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 168#true, 58#L768true, 184#true, 89#L893true, Black: 189#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (= ~__unbuffered_p2_EAX~0 0))]) [2022-11-25 18:05:28,702 INFO L383 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2022-11-25 18:05:28,702 INFO L386 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-11-25 18:05:28,702 INFO L386 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-11-25 18:05:28,703 INFO L386 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-11-25 18:05:28,703 INFO L386 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-11-25 18:05:29,302 INFO L130 PetriNetUnfolder]: 8589/12624 cut-off events. [2022-11-25 18:05:29,302 INFO L131 PetriNetUnfolder]: For 12807/13952 co-relation queries the response was YES. [2022-11-25 18:05:29,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33524 conditions, 12624 events. 8589/12624 cut-off events. For 12807/13952 co-relation queries the response was YES. Maximal size of possible extension queue 704. Compared 78759 event pairs, 1809 based on Foata normal form. 807/12737 useless extension candidates. Maximal degree in co-relation 33503. Up to 6193 conditions per place. [2022-11-25 18:05:29,411 INFO L137 encePairwiseOnDemand]: 250/257 looper letters, 61 selfloop transitions, 6 changer transitions 0/78 dead transitions. [2022-11-25 18:05:29,412 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 78 transitions, 445 flow [2022-11-25 18:05:29,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:05:29,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-25 18:05:29,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 532 transitions. [2022-11-25 18:05:29,420 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5175097276264592 [2022-11-25 18:05:29,420 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 532 transitions. [2022-11-25 18:05:29,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 532 transitions. [2022-11-25 18:05:29,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:05:29,421 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 532 transitions. [2022-11-25 18:05:29,428 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 133.0) internal successors, (532), 4 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:29,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 257.0) internal successors, (1285), 5 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:29,432 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 257.0) internal successors, (1285), 5 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:29,433 INFO L175 Difference]: Start difference. First operand has 55 places, 39 transitions, 187 flow. Second operand 4 states and 532 transitions. [2022-11-25 18:05:29,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 78 transitions, 445 flow [2022-11-25 18:05:29,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 78 transitions, 435 flow, removed 2 selfloop flow, removed 4 redundant places. [2022-11-25 18:05:29,580 INFO L231 Difference]: Finished difference. Result has 54 places, 44 transitions, 223 flow [2022-11-25 18:05:29,581 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=177, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=223, PETRI_PLACES=54, PETRI_TRANSITIONS=44} [2022-11-25 18:05:29,584 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 9 predicate places. [2022-11-25 18:05:29,585 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 44 transitions, 223 flow [2022-11-25 18:05:29,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 121.5) internal successors, (486), 4 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:29,586 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:05:29,586 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:29,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 18:05:29,586 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-25 18:05:29,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:29,587 INFO L85 PathProgramCache]: Analyzing trace with hash -537002098, now seen corresponding path program 1 times [2022-11-25 18:05:29,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:29,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349834463] [2022-11-25 18:05:29,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:29,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:29,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:29,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:29,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349834463] [2022-11-25 18:05:29,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349834463] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:29,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:29,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:05:29,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570030693] [2022-11-25 18:05:29,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:29,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:05:29,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:30,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:05:30,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:05:30,015 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 257 [2022-11-25 18:05:30,016 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 44 transitions, 223 flow. Second operand has 5 states, 5 states have (on average 121.2) internal successors, (606), 5 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:30,017 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:05:30,017 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 257 [2022-11-25 18:05:30,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:05:30,710 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][36], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 160#(= ~y~0 0), 104#L808true, Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 197#(= ~main$tmp_guard0~0 0), 209#(and (= ~__unbuffered_cnt~0 0) (= ~main$tmp_guard0~0 0)), 116#L881true, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), P2Thread1of1ForFork0InUse, Black: 170#(= ~__unbuffered_p3_EAX~0 0), P1Thread1of1ForFork3InUse, 61#L847true, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P0Thread1of1ForFork1InUse, 199#(and (= ~__unbuffered_cnt~0 0) (= ~main$tmp_guard0~0 0)), P3Thread1of1ForFork2InUse, 168#true, 58#L768true, 23#L788true]) [2022-11-25 18:05:30,710 INFO L383 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2022-11-25 18:05:30,710 INFO L386 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2022-11-25 18:05:30,710 INFO L386 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2022-11-25 18:05:30,711 INFO L386 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2022-11-25 18:05:30,879 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][52], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), 83#L878-3true, Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), 104#L808true, Black: 199#(and (= ~__unbuffered_cnt~0 0) (= ~main$tmp_guard0~0 0)), 197#(= ~main$tmp_guard0~0 0), 211#(and (<= ~__unbuffered_cnt~0 1) (= ~main$tmp_guard0~0 0)), 115#P1EXITtrue, P2Thread1of1ForFork0InUse, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 170#(= ~__unbuffered_p3_EAX~0 0), P1Thread1of1ForFork3InUse, 61#L847true, P0Thread1of1ForFork1InUse, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P3Thread1of1ForFork2InUse, 168#true, 58#L768true]) [2022-11-25 18:05:30,880 INFO L383 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2022-11-25 18:05:30,880 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-11-25 18:05:30,880 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-11-25 18:05:30,880 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-11-25 18:05:30,882 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][52], [Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 199#(and (= ~__unbuffered_cnt~0 0) (= ~main$tmp_guard0~0 0)), 197#(= ~main$tmp_guard0~0 0), 211#(and (<= ~__unbuffered_cnt~0 1) (= ~main$tmp_guard0~0 0)), 116#L881true, 115#P1EXITtrue, P2Thread1of1ForFork0InUse, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 170#(= ~__unbuffered_p3_EAX~0 0), P1Thread1of1ForFork3InUse, 61#L847true, P0Thread1of1ForFork1InUse, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P3Thread1of1ForFork2InUse, 12#L805true, 168#true, 58#L768true]) [2022-11-25 18:05:30,882 INFO L383 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2022-11-25 18:05:30,882 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-11-25 18:05:30,882 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-11-25 18:05:30,882 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-11-25 18:05:30,885 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][36], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), 104#L808true, Black: 197#(= ~main$tmp_guard0~0 0), 95#L795true, 209#(and (= ~__unbuffered_cnt~0 0) (= ~main$tmp_guard0~0 0)), 116#L881true, P2Thread1of1ForFork0InUse, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 170#(= ~__unbuffered_p3_EAX~0 0), P1Thread1of1ForFork3InUse, 61#L847true, P0Thread1of1ForFork1InUse, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), 199#(and (= ~__unbuffered_cnt~0 0) (= ~main$tmp_guard0~0 0)), P3Thread1of1ForFork2InUse, 168#true, 58#L768true]) [2022-11-25 18:05:30,885 INFO L383 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2022-11-25 18:05:30,886 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-11-25 18:05:30,886 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-11-25 18:05:30,886 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-11-25 18:05:30,895 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][36], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 197#(= ~main$tmp_guard0~0 0), 209#(and (= ~__unbuffered_cnt~0 0) (= ~main$tmp_guard0~0 0)), 116#L881true, P2Thread1of1ForFork0InUse, 112#L811true, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 170#(= ~__unbuffered_p3_EAX~0 0), P1Thread1of1ForFork3InUse, 61#L847true, P0Thread1of1ForFork1InUse, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), 199#(and (= ~__unbuffered_cnt~0 0) (= ~main$tmp_guard0~0 0)), P3Thread1of1ForFork2InUse, 168#true, 58#L768true, 23#L788true]) [2022-11-25 18:05:30,895 INFO L383 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2022-11-25 18:05:30,895 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-11-25 18:05:30,896 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-11-25 18:05:30,896 INFO L386 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-11-25 18:05:31,041 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][36], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 197#(= ~main$tmp_guard0~0 0), 209#(and (= ~__unbuffered_cnt~0 0) (= ~main$tmp_guard0~0 0)), 119#L775true, 116#L881true, P2Thread1of1ForFork0InUse, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), 112#L811true, Black: 170#(= ~__unbuffered_p3_EAX~0 0), P1Thread1of1ForFork3InUse, 61#L847true, P0Thread1of1ForFork1InUse, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), 199#(and (= ~__unbuffered_cnt~0 0) (= ~main$tmp_guard0~0 0)), P3Thread1of1ForFork2InUse, 168#true, 23#L788true]) [2022-11-25 18:05:31,041 INFO L383 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2022-11-25 18:05:31,041 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-11-25 18:05:31,041 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-11-25 18:05:31,041 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-11-25 18:05:31,085 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][52], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), 104#L808true, Black: 199#(and (= ~__unbuffered_cnt~0 0) (= ~main$tmp_guard0~0 0)), 197#(= ~main$tmp_guard0~0 0), 211#(and (<= ~__unbuffered_cnt~0 1) (= ~main$tmp_guard0~0 0)), 116#L881true, 115#P1EXITtrue, P2Thread1of1ForFork0InUse, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 170#(= ~__unbuffered_p3_EAX~0 0), P1Thread1of1ForFork3InUse, 61#L847true, P0Thread1of1ForFork1InUse, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P3Thread1of1ForFork2InUse, 168#true, 58#L768true]) [2022-11-25 18:05:31,085 INFO L383 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2022-11-25 18:05:31,085 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-11-25 18:05:31,086 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-11-25 18:05:31,086 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-11-25 18:05:31,087 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][52], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), 83#L878-3true, Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 199#(and (= ~__unbuffered_cnt~0 0) (= ~main$tmp_guard0~0 0)), 197#(= ~main$tmp_guard0~0 0), 211#(and (<= ~__unbuffered_cnt~0 1) (= ~main$tmp_guard0~0 0)), 115#P1EXITtrue, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), P2Thread1of1ForFork0InUse, 112#L811true, Black: 170#(= ~__unbuffered_p3_EAX~0 0), P1Thread1of1ForFork3InUse, 61#L847true, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 168#true, 58#L768true]) [2022-11-25 18:05:31,087 INFO L383 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2022-11-25 18:05:31,087 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-11-25 18:05:31,088 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-11-25 18:05:31,088 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-11-25 18:05:31,089 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][52], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), 104#L808true, Black: 199#(and (= ~__unbuffered_cnt~0 0) (= ~main$tmp_guard0~0 0)), Black: 197#(= ~main$tmp_guard0~0 0), 211#(and (<= ~__unbuffered_cnt~0 1) (= ~main$tmp_guard0~0 0)), 116#L881true, 115#P1EXITtrue, P2Thread1of1ForFork0InUse, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 170#(= ~__unbuffered_p3_EAX~0 0), 194#true, P1Thread1of1ForFork3InUse, 61#L847true, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 168#true, 58#L768true]) [2022-11-25 18:05:31,089 INFO L383 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2022-11-25 18:05:31,089 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-11-25 18:05:31,089 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-11-25 18:05:31,089 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-11-25 18:05:31,093 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][36], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 197#(= ~main$tmp_guard0~0 0), 95#L795true, 209#(and (= ~__unbuffered_cnt~0 0) (= ~main$tmp_guard0~0 0)), 116#L881true, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), P2Thread1of1ForFork0InUse, 112#L811true, Black: 170#(= ~__unbuffered_p3_EAX~0 0), P1Thread1of1ForFork3InUse, 61#L847true, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P0Thread1of1ForFork1InUse, 199#(and (= ~__unbuffered_cnt~0 0) (= ~main$tmp_guard0~0 0)), P3Thread1of1ForFork2InUse, 168#true, 58#L768true]) [2022-11-25 18:05:31,093 INFO L383 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2022-11-25 18:05:31,093 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-11-25 18:05:31,093 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-11-25 18:05:31,094 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-11-25 18:05:31,240 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][36], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 197#(= ~main$tmp_guard0~0 0), 95#L795true, 209#(and (= ~__unbuffered_cnt~0 0) (= ~main$tmp_guard0~0 0)), 119#L775true, 116#L881true, P2Thread1of1ForFork0InUse, 112#L811true, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 170#(= ~__unbuffered_p3_EAX~0 0), P1Thread1of1ForFork3InUse, 61#L847true, P0Thread1of1ForFork1InUse, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), 199#(and (= ~__unbuffered_cnt~0 0) (= ~main$tmp_guard0~0 0)), P3Thread1of1ForFork2InUse, 168#true]) [2022-11-25 18:05:31,240 INFO L383 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2022-11-25 18:05:31,241 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-11-25 18:05:31,241 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-11-25 18:05:31,241 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-11-25 18:05:31,265 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][52], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), 104#L808true, Black: 199#(and (= ~__unbuffered_cnt~0 0) (= ~main$tmp_guard0~0 0)), 197#(= ~main$tmp_guard0~0 0), 211#(and (<= ~__unbuffered_cnt~0 1) (= ~main$tmp_guard0~0 0)), 116#L881true, 115#P1EXITtrue, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), P2Thread1of1ForFork0InUse, Black: 170#(= ~__unbuffered_p3_EAX~0 0), P1Thread1of1ForFork3InUse, 61#L847true, P0Thread1of1ForFork1InUse, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P3Thread1of1ForFork2InUse, 168#true, 58#L768true]) [2022-11-25 18:05:31,266 INFO L383 tUnfolder$Statistics]: this new event has 20 ancestors and is not cut-off event [2022-11-25 18:05:31,266 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2022-11-25 18:05:31,266 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2022-11-25 18:05:31,266 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2022-11-25 18:05:31,266 INFO L386 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2022-11-25 18:05:31,267 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][52], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 199#(and (= ~__unbuffered_cnt~0 0) (= ~main$tmp_guard0~0 0)), 197#(= ~main$tmp_guard0~0 0), 211#(and (<= ~__unbuffered_cnt~0 1) (= ~main$tmp_guard0~0 0)), 116#L881true, 115#P1EXITtrue, P2Thread1of1ForFork0InUse, 112#L811true, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 170#(= ~__unbuffered_p3_EAX~0 0), P1Thread1of1ForFork3InUse, 61#L847true, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 168#true, 58#L768true]) [2022-11-25 18:05:31,267 INFO L383 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2022-11-25 18:05:31,267 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-11-25 18:05:31,268 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-11-25 18:05:31,268 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-11-25 18:05:31,294 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][52], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 199#(and (= ~__unbuffered_cnt~0 0) (= ~main$tmp_guard0~0 0)), 197#(= ~main$tmp_guard0~0 0), 211#(and (<= ~__unbuffered_cnt~0 1) (= ~main$tmp_guard0~0 0)), 116#L881true, 115#P1EXITtrue, 112#L811true, P2Thread1of1ForFork0InUse, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 170#(= ~__unbuffered_p3_EAX~0 0), P1Thread1of1ForFork3InUse, 61#L847true, P0Thread1of1ForFork1InUse, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P3Thread1of1ForFork2InUse, 168#true, 58#L768true]) [2022-11-25 18:05:31,294 INFO L383 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2022-11-25 18:05:31,294 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-11-25 18:05:31,295 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-11-25 18:05:31,295 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-11-25 18:05:31,295 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-11-25 18:05:31,296 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][52], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 199#(and (= ~__unbuffered_cnt~0 0) (= ~main$tmp_guard0~0 0)), Black: 197#(= ~main$tmp_guard0~0 0), 211#(and (<= ~__unbuffered_cnt~0 1) (= ~main$tmp_guard0~0 0)), 116#L881true, 115#P1EXITtrue, P2Thread1of1ForFork0InUse, 112#L811true, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 170#(= ~__unbuffered_p3_EAX~0 0), 194#true, P1Thread1of1ForFork3InUse, 61#L847true, P0Thread1of1ForFork1InUse, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P3Thread1of1ForFork2InUse, 168#true, 58#L768true]) [2022-11-25 18:05:31,296 INFO L383 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2022-11-25 18:05:31,296 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-11-25 18:05:31,296 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-11-25 18:05:31,296 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-11-25 18:05:31,450 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][52], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 199#(and (= ~__unbuffered_cnt~0 0) (= ~main$tmp_guard0~0 0)), 109#P0EXITtrue, 197#(= ~main$tmp_guard0~0 0), 211#(and (<= ~__unbuffered_cnt~0 1) (= ~main$tmp_guard0~0 0)), 116#L881true, P2Thread1of1ForFork0InUse, 112#L811true, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 170#(= ~__unbuffered_p3_EAX~0 0), P1Thread1of1ForFork3InUse, 61#L847true, P0Thread1of1ForFork1InUse, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P3Thread1of1ForFork2InUse, 168#true, 23#L788true]) [2022-11-25 18:05:31,451 INFO L383 tUnfolder$Statistics]: this new event has 21 ancestors and is not cut-off event [2022-11-25 18:05:31,451 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2022-11-25 18:05:31,451 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2022-11-25 18:05:31,451 INFO L386 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2022-11-25 18:05:31,561 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][52], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 199#(and (= ~__unbuffered_cnt~0 0) (= ~main$tmp_guard0~0 0)), 109#P0EXITtrue, 95#L795true, 197#(= ~main$tmp_guard0~0 0), 211#(and (<= ~__unbuffered_cnt~0 1) (= ~main$tmp_guard0~0 0)), 116#L881true, P2Thread1of1ForFork0InUse, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), 112#L811true, Black: 170#(= ~__unbuffered_p3_EAX~0 0), P1Thread1of1ForFork3InUse, 61#L847true, P0Thread1of1ForFork1InUse, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P3Thread1of1ForFork2InUse, 168#true]) [2022-11-25 18:05:31,561 INFO L383 tUnfolder$Statistics]: this new event has 22 ancestors and is not cut-off event [2022-11-25 18:05:31,561 INFO L386 tUnfolder$Statistics]: existing Event has 22 ancestors and is not cut-off event [2022-11-25 18:05:31,561 INFO L386 tUnfolder$Statistics]: existing Event has 22 ancestors and is not cut-off event [2022-11-25 18:05:31,561 INFO L386 tUnfolder$Statistics]: existing Event has 22 ancestors and is not cut-off event [2022-11-25 18:05:31,577 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][69], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 199#(and (= ~__unbuffered_cnt~0 0) (= ~main$tmp_guard0~0 0)), 109#P0EXITtrue, 197#(= ~main$tmp_guard0~0 0), 115#P1EXITtrue, 116#L881true, P2Thread1of1ForFork0InUse, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), 112#L811true, Black: 170#(= ~__unbuffered_p3_EAX~0 0), P1Thread1of1ForFork3InUse, 61#L847true, P0Thread1of1ForFork1InUse, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P3Thread1of1ForFork2InUse, 207#(= ~main$tmp_guard0~0 0), 168#true]) [2022-11-25 18:05:31,577 INFO L383 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2022-11-25 18:05:31,578 INFO L386 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2022-11-25 18:05:31,578 INFO L386 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2022-11-25 18:05:31,578 INFO L386 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2022-11-25 18:05:31,597 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([425] L831-->L847: Formula: (let ((.cse7 (= (mod v_~a$r_buff1_thd4~0_60 256) 0)) (.cse9 (= (mod v_~a$r_buff0_thd4~0_62 256) 0))) (let ((.cse10 (not .cse9)) (.cse1 (and (= (mod v_~a$w_buff1_used~0_133 256) 0) .cse9)) (.cse11 (= (mod v_~a$w_buff0_used~0_152 256) 0)) (.cse2 (and .cse9 .cse7))) (let ((.cse0 (not (= (mod v_~weak$$choice2~0_30 256) 0))) (.cse8 (= (mod v_~a$w_buff1_used~0_132 256) 0)) (.cse3 (= 0 (mod v_~a$w_buff0_used~0_151 256))) (.cse4 (or .cse1 .cse11 .cse2)) (.cse5 (and .cse10 (not .cse11)))) (and (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= (ite .cse0 v_~a$w_buff1_used~0_133 (ite (or .cse1 .cse2 .cse3) v_~a$w_buff1_used~0_133 0)) v_~a$w_buff1_used~0_132) (= v_~weak$$choice2~0_30 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$flush_delayed~0_25 0) (= v_~a$w_buff0_used~0_151 (ite .cse0 v_~a$w_buff0_used~0_152 (ite .cse4 v_~a$w_buff0_used~0_152 (ite .cse5 0 v_~a$w_buff0_used~0_152)))) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$r_buff1_thd4~0_59 (ite .cse0 v_~a$r_buff1_thd4~0_60 (ite (let ((.cse6 (= (mod v_~a$r_buff0_thd4~0_61 256) 0))) (or (and .cse6 .cse7) (and .cse8 .cse6) .cse3)) v_~a$r_buff1_thd4~0_60 0))) (= v_~a$w_buff1~0_64 v_~a$w_buff1~0_63) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= v_~a$r_buff0_thd4~0_61 (ite .cse0 v_~a$r_buff0_thd4~0_62 (ite (or (and .cse8 .cse9) .cse2 .cse3) v_~a$r_buff0_thd4~0_62 (ite (and .cse10 (not .cse3)) 0 v_~a$r_buff0_thd4~0_62)))) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse4 v_~a~0_93 (ite .cse5 v_~a$w_buff0~0_61 v_~a$w_buff1~0_64)) v_~__unbuffered_p3_EBX~0_10))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_64, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_60, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_152, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_133, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_62, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_59, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_151, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_61, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_63, ~a$flush_delayed~0=v_~a$flush_delayed~0_25, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_132, ~weak$$choice2~0=v_~weak$$choice2~0_30} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][52], [Black: 186#(= ~__unbuffered_p2_EAX~0 0), Black: 160#(= ~y~0 0), Black: 163#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0)), Black: 199#(and (= ~__unbuffered_cnt~0 0) (= ~main$tmp_guard0~0 0)), 197#(= ~main$tmp_guard0~0 0), 119#L775true, 211#(and (<= ~__unbuffered_cnt~0 1) (= ~main$tmp_guard0~0 0)), 116#L881true, 115#P1EXITtrue, Black: 171#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), P2Thread1of1ForFork0InUse, 112#L811true, Black: 170#(= ~__unbuffered_p3_EAX~0 0), P1Thread1of1ForFork3InUse, 61#L847true, Black: 176#(and (not (= (* 256 (div ~main$tmp_guard1~0 256)) ~main$tmp_guard1~0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 168#true]) [2022-11-25 18:05:31,598 INFO L383 tUnfolder$Statistics]: this new event has 22 ancestors and is not cut-off event [2022-11-25 18:05:31,598 INFO L386 tUnfolder$Statistics]: existing Event has 22 ancestors and is not cut-off event [2022-11-25 18:05:31,598 INFO L386 tUnfolder$Statistics]: existing Event has 22 ancestors and is not cut-off event [2022-11-25 18:05:31,598 INFO L386 tUnfolder$Statistics]: existing Event has 22 ancestors and is not cut-off event [2022-11-25 18:05:31,844 INFO L130 PetriNetUnfolder]: 6538/9872 cut-off events. [2022-11-25 18:05:31,844 INFO L131 PetriNetUnfolder]: For 9557/10402 co-relation queries the response was YES. [2022-11-25 18:05:31,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29583 conditions, 9872 events. 6538/9872 cut-off events. For 9557/10402 co-relation queries the response was YES. Maximal size of possible extension queue 579. Compared 62674 event pairs, 1604 based on Foata normal form. 575/9723 useless extension candidates. Maximal degree in co-relation 29562. Up to 3592 conditions per place. [2022-11-25 18:05:31,906 INFO L137 encePairwiseOnDemand]: 250/257 looper letters, 78 selfloop transitions, 10 changer transitions 0/99 dead transitions. [2022-11-25 18:05:31,906 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 99 transitions, 598 flow [2022-11-25 18:05:31,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:05:31,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-25 18:05:31,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 668 transitions. [2022-11-25 18:05:31,909 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5198443579766537 [2022-11-25 18:05:31,910 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 668 transitions. [2022-11-25 18:05:31,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 668 transitions. [2022-11-25 18:05:31,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:05:31,911 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 668 transitions. [2022-11-25 18:05:31,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 133.6) internal successors, (668), 5 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:31,916 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 257.0) internal successors, (1542), 6 states have internal predecessors, (1542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:31,917 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 257.0) internal successors, (1542), 6 states have internal predecessors, (1542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:31,917 INFO L175 Difference]: Start difference. First operand has 54 places, 44 transitions, 223 flow. Second operand 5 states and 668 transitions. [2022-11-25 18:05:31,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 99 transitions, 598 flow [2022-11-25 18:05:31,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 99 transitions, 595 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-25 18:05:31,925 INFO L231 Difference]: Finished difference. Result has 59 places, 49 transitions, 288 flow [2022-11-25 18:05:31,925 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=221, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=288, PETRI_PLACES=59, PETRI_TRANSITIONS=49} [2022-11-25 18:05:31,926 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 14 predicate places. [2022-11-25 18:05:31,926 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 49 transitions, 288 flow [2022-11-25 18:05:31,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 121.2) internal successors, (606), 5 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:31,927 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:05:31,927 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:31,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 18:05:31,928 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-25 18:05:31,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:31,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1855283066, now seen corresponding path program 1 times [2022-11-25 18:05:31,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:31,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917749281] [2022-11-25 18:05:31,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:31,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:32,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:32,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:32,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917749281] [2022-11-25 18:05:32,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917749281] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:32,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:32,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:05:32,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430453032] [2022-11-25 18:05:32,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:32,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:05:32,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:32,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:05:32,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:05:32,354 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 257 [2022-11-25 18:05:32,355 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 49 transitions, 288 flow. Second operand has 5 states, 5 states have (on average 113.4) internal successors, (567), 5 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:32,355 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:05:32,355 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 257 [2022-11-25 18:05:32,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:05:35,186 INFO L130 PetriNetUnfolder]: 13922/20163 cut-off events. [2022-11-25 18:05:35,186 INFO L131 PetriNetUnfolder]: For 43845/43845 co-relation queries the response was YES. [2022-11-25 18:05:35,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 72311 conditions, 20163 events. 13922/20163 cut-off events. For 43845/43845 co-relation queries the response was YES. Maximal size of possible extension queue 642. Compared 118253 event pairs, 689 based on Foata normal form. 154/20317 useless extension candidates. Maximal degree in co-relation 72287. Up to 9059 conditions per place. [2022-11-25 18:05:35,275 INFO L137 encePairwiseOnDemand]: 246/257 looper letters, 105 selfloop transitions, 25 changer transitions 37/167 dead transitions. [2022-11-25 18:05:35,275 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 167 transitions, 1277 flow [2022-11-25 18:05:35,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:05:35,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-11-25 18:05:35,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 879 transitions. [2022-11-25 18:05:35,280 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4886047804335742 [2022-11-25 18:05:35,280 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 879 transitions. [2022-11-25 18:05:35,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 879 transitions. [2022-11-25 18:05:35,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:05:35,281 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 879 transitions. [2022-11-25 18:05:35,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 125.57142857142857) internal successors, (879), 7 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:35,288 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 257.0) internal successors, (2056), 8 states have internal predecessors, (2056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:35,289 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 257.0) internal successors, (2056), 8 states have internal predecessors, (2056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:35,289 INFO L175 Difference]: Start difference. First operand has 59 places, 49 transitions, 288 flow. Second operand 7 states and 879 transitions. [2022-11-25 18:05:35,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 167 transitions, 1277 flow [2022-11-25 18:05:35,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 167 transitions, 1229 flow, removed 14 selfloop flow, removed 2 redundant places. [2022-11-25 18:05:35,338 INFO L231 Difference]: Finished difference. Result has 69 places, 65 transitions, 520 flow [2022-11-25 18:05:35,339 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=273, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=520, PETRI_PLACES=69, PETRI_TRANSITIONS=65} [2022-11-25 18:05:35,340 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 24 predicate places. [2022-11-25 18:05:35,340 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 65 transitions, 520 flow [2022-11-25 18:05:35,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 113.4) internal successors, (567), 5 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:35,341 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:05:35,341 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:35,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 18:05:35,341 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-25 18:05:35,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:35,342 INFO L85 PathProgramCache]: Analyzing trace with hash 2102518890, now seen corresponding path program 2 times [2022-11-25 18:05:35,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:35,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207271929] [2022-11-25 18:05:35,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:35,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:35,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:35,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:35,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207271929] [2022-11-25 18:05:35,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207271929] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:35,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:35,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:05:35,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586227554] [2022-11-25 18:05:35,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:35,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:05:35,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:35,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:05:35,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:05:35,762 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 257 [2022-11-25 18:05:35,763 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 65 transitions, 520 flow. Second operand has 6 states, 6 states have (on average 121.16666666666667) internal successors, (727), 6 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:35,764 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:05:35,764 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 257 [2022-11-25 18:05:35,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:05:36,984 INFO L130 PetriNetUnfolder]: 3800/6164 cut-off events. [2022-11-25 18:05:36,985 INFO L131 PetriNetUnfolder]: For 15066/15435 co-relation queries the response was YES. [2022-11-25 18:05:37,023 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23080 conditions, 6164 events. 3800/6164 cut-off events. For 15066/15435 co-relation queries the response was YES. Maximal size of possible extension queue 278. Compared 38088 event pairs, 805 based on Foata normal form. 343/6390 useless extension candidates. Maximal degree in co-relation 23050. Up to 2040 conditions per place. [2022-11-25 18:05:37,044 INFO L137 encePairwiseOnDemand]: 250/257 looper letters, 107 selfloop transitions, 14 changer transitions 0/144 dead transitions. [2022-11-25 18:05:37,045 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 144 transitions, 1220 flow [2022-11-25 18:05:37,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:05:37,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-25 18:05:37,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 800 transitions. [2022-11-25 18:05:37,048 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5188067444876784 [2022-11-25 18:05:37,049 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 800 transitions. [2022-11-25 18:05:37,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 800 transitions. [2022-11-25 18:05:37,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:05:37,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 800 transitions. [2022-11-25 18:05:37,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 133.33333333333334) internal successors, (800), 6 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:37,055 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 257.0) internal successors, (1799), 7 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:37,056 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 257.0) internal successors, (1799), 7 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:37,056 INFO L175 Difference]: Start difference. First operand has 69 places, 65 transitions, 520 flow. Second operand 6 states and 800 transitions. [2022-11-25 18:05:37,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 144 transitions, 1220 flow [2022-11-25 18:05:37,224 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 144 transitions, 1154 flow, removed 24 selfloop flow, removed 5 redundant places. [2022-11-25 18:05:37,226 INFO L231 Difference]: Finished difference. Result has 69 places, 70 transitions, 555 flow [2022-11-25 18:05:37,226 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=473, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=555, PETRI_PLACES=69, PETRI_TRANSITIONS=70} [2022-11-25 18:05:37,227 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 24 predicate places. [2022-11-25 18:05:37,228 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 70 transitions, 555 flow [2022-11-25 18:05:37,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 121.16666666666667) internal successors, (727), 6 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:37,228 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:05:37,229 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:37,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 18:05:37,229 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-25 18:05:37,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:37,230 INFO L85 PathProgramCache]: Analyzing trace with hash -475266119, now seen corresponding path program 1 times [2022-11-25 18:05:37,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:37,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962378846] [2022-11-25 18:05:37,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:37,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:39,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:39,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:39,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962378846] [2022-11-25 18:05:39,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962378846] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:39,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:39,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:05:39,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971661167] [2022-11-25 18:05:39,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:39,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 18:05:39,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:39,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 18:05:39,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:05:39,204 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 257 [2022-11-25 18:05:39,206 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 70 transitions, 555 flow. Second operand has 8 states, 8 states have (on average 120.75) internal successors, (966), 8 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:39,206 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:05:39,206 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 257 [2022-11-25 18:05:39,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:05:42,001 INFO L130 PetriNetUnfolder]: 6404/10537 cut-off events. [2022-11-25 18:05:42,001 INFO L131 PetriNetUnfolder]: For 28034/28781 co-relation queries the response was YES. [2022-11-25 18:05:42,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41389 conditions, 10537 events. 6404/10537 cut-off events. For 28034/28781 co-relation queries the response was YES. Maximal size of possible extension queue 497. Compared 73452 event pairs, 1017 based on Foata normal form. 95/10415 useless extension candidates. Maximal degree in co-relation 41359. Up to 3714 conditions per place. [2022-11-25 18:05:42,094 INFO L137 encePairwiseOnDemand]: 248/257 looper letters, 150 selfloop transitions, 7 changer transitions 35/215 dead transitions. [2022-11-25 18:05:42,094 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 215 transitions, 1953 flow [2022-11-25 18:05:42,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:05:42,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-11-25 18:05:42,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 933 transitions. [2022-11-25 18:05:42,100 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5186214563646471 [2022-11-25 18:05:42,100 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 933 transitions. [2022-11-25 18:05:42,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 933 transitions. [2022-11-25 18:05:42,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:05:42,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 933 transitions. [2022-11-25 18:05:42,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 133.28571428571428) internal successors, (933), 7 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:42,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 257.0) internal successors, (2056), 8 states have internal predecessors, (2056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:42,110 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 257.0) internal successors, (2056), 8 states have internal predecessors, (2056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:42,111 INFO L175 Difference]: Start difference. First operand has 69 places, 70 transitions, 555 flow. Second operand 7 states and 933 transitions. [2022-11-25 18:05:42,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 215 transitions, 1953 flow [2022-11-25 18:05:42,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 215 transitions, 1820 flow, removed 36 selfloop flow, removed 3 redundant places. [2022-11-25 18:05:42,488 INFO L231 Difference]: Finished difference. Result has 76 places, 75 transitions, 588 flow [2022-11-25 18:05:42,489 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=524, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=588, PETRI_PLACES=76, PETRI_TRANSITIONS=75} [2022-11-25 18:05:42,490 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 31 predicate places. [2022-11-25 18:05:42,490 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 75 transitions, 588 flow [2022-11-25 18:05:42,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 120.75) internal successors, (966), 8 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:42,491 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:05:42,491 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:42,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 18:05:42,492 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-25 18:05:42,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:42,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1016290571, now seen corresponding path program 2 times [2022-11-25 18:05:42,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:42,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107790642] [2022-11-25 18:05:42,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:42,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:42,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:42,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:42,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107790642] [2022-11-25 18:05:42,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107790642] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:42,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:42,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:05:42,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372550691] [2022-11-25 18:05:42,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:42,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 18:05:42,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:42,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 18:05:42,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:05:43,004 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 257 [2022-11-25 18:05:43,006 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 75 transitions, 588 flow. Second operand has 7 states, 7 states have (on average 121.14285714285714) internal successors, (848), 7 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:43,006 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:05:43,007 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 257 [2022-11-25 18:05:43,007 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:05:45,227 INFO L130 PetriNetUnfolder]: 5983/9956 cut-off events. [2022-11-25 18:05:45,228 INFO L131 PetriNetUnfolder]: For 24457/24918 co-relation queries the response was YES. [2022-11-25 18:05:45,285 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39453 conditions, 9956 events. 5983/9956 cut-off events. For 24457/24918 co-relation queries the response was YES. Maximal size of possible extension queue 483. Compared 70475 event pairs, 847 based on Foata normal form. 193/9984 useless extension candidates. Maximal degree in co-relation 39421. Up to 3257 conditions per place. [2022-11-25 18:05:45,312 INFO L137 encePairwiseOnDemand]: 250/257 looper letters, 91 selfloop transitions, 18 changer transitions 10/142 dead transitions. [2022-11-25 18:05:45,312 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 142 transitions, 1251 flow [2022-11-25 18:05:45,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:05:45,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-11-25 18:05:45,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 906 transitions. [2022-11-25 18:05:45,317 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5036131183991106 [2022-11-25 18:05:45,317 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 906 transitions. [2022-11-25 18:05:45,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 906 transitions. [2022-11-25 18:05:45,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:05:45,319 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 906 transitions. [2022-11-25 18:05:45,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 129.42857142857142) internal successors, (906), 7 states have internal predecessors, (906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:45,326 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 257.0) internal successors, (2056), 8 states have internal predecessors, (2056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:45,327 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 257.0) internal successors, (2056), 8 states have internal predecessors, (2056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:45,328 INFO L175 Difference]: Start difference. First operand has 76 places, 75 transitions, 588 flow. Second operand 7 states and 906 transitions. [2022-11-25 18:05:45,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 142 transitions, 1251 flow [2022-11-25 18:05:45,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 142 transitions, 1211 flow, removed 10 selfloop flow, removed 6 redundant places. [2022-11-25 18:05:45,861 INFO L231 Difference]: Finished difference. Result has 77 places, 74 transitions, 590 flow [2022-11-25 18:05:45,862 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=542, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=590, PETRI_PLACES=77, PETRI_TRANSITIONS=74} [2022-11-25 18:05:45,862 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 32 predicate places. [2022-11-25 18:05:45,863 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 74 transitions, 590 flow [2022-11-25 18:05:45,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 121.14285714285714) internal successors, (848), 7 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:45,864 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:05:45,864 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:45,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 18:05:45,865 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-25 18:05:45,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:45,865 INFO L85 PathProgramCache]: Analyzing trace with hash 89958371, now seen corresponding path program 1 times [2022-11-25 18:05:45,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:45,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81223098] [2022-11-25 18:05:45,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:45,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:46,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:46,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:46,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81223098] [2022-11-25 18:05:46,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81223098] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:46,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:46,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:05:46,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295155123] [2022-11-25 18:05:46,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:46,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:05:46,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:46,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:05:46,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:05:46,314 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 257 [2022-11-25 18:05:46,315 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 74 transitions, 590 flow. Second operand has 5 states, 5 states have (on average 124.2) internal successors, (621), 5 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:46,315 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:05:46,315 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 257 [2022-11-25 18:05:46,316 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:05:48,940 INFO L130 PetriNetUnfolder]: 8930/14762 cut-off events. [2022-11-25 18:05:48,940 INFO L131 PetriNetUnfolder]: For 50474/51083 co-relation queries the response was YES. [2022-11-25 18:05:49,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64225 conditions, 14762 events. 8930/14762 cut-off events. For 50474/51083 co-relation queries the response was YES. Maximal size of possible extension queue 660. Compared 107657 event pairs, 2629 based on Foata normal form. 69/14645 useless extension candidates. Maximal degree in co-relation 64193. Up to 6785 conditions per place. [2022-11-25 18:05:49,037 INFO L137 encePairwiseOnDemand]: 253/257 looper letters, 71 selfloop transitions, 1 changer transitions 56/147 dead transitions. [2022-11-25 18:05:49,038 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 147 transitions, 1388 flow [2022-11-25 18:05:49,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:05:49,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-25 18:05:49,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 656 transitions. [2022-11-25 18:05:49,040 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5105058365758754 [2022-11-25 18:05:49,040 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 656 transitions. [2022-11-25 18:05:49,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 656 transitions. [2022-11-25 18:05:49,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:05:49,041 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 656 transitions. [2022-11-25 18:05:49,043 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 131.2) internal successors, (656), 5 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:49,046 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 257.0) internal successors, (1542), 6 states have internal predecessors, (1542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:49,047 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 257.0) internal successors, (1542), 6 states have internal predecessors, (1542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:49,047 INFO L175 Difference]: Start difference. First operand has 77 places, 74 transitions, 590 flow. Second operand 5 states and 656 transitions. [2022-11-25 18:05:49,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 147 transitions, 1388 flow [2022-11-25 18:05:49,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 147 transitions, 1241 flow, removed 44 selfloop flow, removed 6 redundant places. [2022-11-25 18:05:49,910 INFO L231 Difference]: Finished difference. Result has 77 places, 72 transitions, 517 flow [2022-11-25 18:05:49,911 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=521, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=517, PETRI_PLACES=77, PETRI_TRANSITIONS=72} [2022-11-25 18:05:49,911 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 32 predicate places. [2022-11-25 18:05:49,911 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 72 transitions, 517 flow [2022-11-25 18:05:49,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 124.2) internal successors, (621), 5 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:49,912 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:05:49,912 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:49,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 18:05:49,913 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-25 18:05:49,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:49,914 INFO L85 PathProgramCache]: Analyzing trace with hash -518685277, now seen corresponding path program 2 times [2022-11-25 18:05:49,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:49,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970940516] [2022-11-25 18:05:49,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:49,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:05:50,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:05:50,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:05:50,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970940516] [2022-11-25 18:05:50,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970940516] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:05:50,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:05:50,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:05:50,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507347483] [2022-11-25 18:05:50,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:05:50,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:05:50,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:05:50,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:05:50,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:05:50,255 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 257 [2022-11-25 18:05:50,256 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 72 transitions, 517 flow. Second operand has 4 states, 4 states have (on average 126.5) internal successors, (506), 4 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:50,256 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:05:50,257 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 257 [2022-11-25 18:05:50,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:05:52,014 INFO L130 PetriNetUnfolder]: 6909/11643 cut-off events. [2022-11-25 18:05:52,014 INFO L131 PetriNetUnfolder]: For 26610/26947 co-relation queries the response was YES. [2022-11-25 18:05:52,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45520 conditions, 11643 events. 6909/11643 cut-off events. For 26610/26947 co-relation queries the response was YES. Maximal size of possible extension queue 557. Compared 84230 event pairs, 2647 based on Foata normal form. 29/11510 useless extension candidates. Maximal degree in co-relation 45493. Up to 6011 conditions per place. [2022-11-25 18:05:52,102 INFO L137 encePairwiseOnDemand]: 253/257 looper letters, 54 selfloop transitions, 7 changer transitions 39/108 dead transitions. [2022-11-25 18:05:52,102 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 108 transitions, 925 flow [2022-11-25 18:05:52,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:05:52,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-25 18:05:52,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 526 transitions. [2022-11-25 18:05:52,105 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5116731517509727 [2022-11-25 18:05:52,105 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 526 transitions. [2022-11-25 18:05:52,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 526 transitions. [2022-11-25 18:05:52,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:05:52,106 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 526 transitions. [2022-11-25 18:05:52,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 131.5) internal successors, (526), 4 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:52,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 257.0) internal successors, (1285), 5 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:52,110 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 257.0) internal successors, (1285), 5 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:52,110 INFO L175 Difference]: Start difference. First operand has 77 places, 72 transitions, 517 flow. Second operand 4 states and 526 transitions. [2022-11-25 18:05:52,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 108 transitions, 925 flow [2022-11-25 18:05:52,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 108 transitions, 841 flow, removed 11 selfloop flow, removed 8 redundant places. [2022-11-25 18:05:52,694 INFO L231 Difference]: Finished difference. Result has 72 places, 57 transitions, 366 flow [2022-11-25 18:05:52,694 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=473, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=366, PETRI_PLACES=72, PETRI_TRANSITIONS=57} [2022-11-25 18:05:52,695 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 27 predicate places. [2022-11-25 18:05:52,695 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 57 transitions, 366 flow [2022-11-25 18:05:52,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 126.5) internal successors, (506), 4 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:05:52,696 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:05:52,696 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:52,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 18:05:52,697 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-25 18:05:52,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:05:52,697 INFO L85 PathProgramCache]: Analyzing trace with hash 580010331, now seen corresponding path program 3 times [2022-11-25 18:05:52,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:05:52,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544946917] [2022-11-25 18:05:52,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:05:52,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:05:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:05:52,791 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:05:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:05:52,902 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:05:52,903 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 18:05:52,904 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2022-11-25 18:05:52,907 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2022-11-25 18:05:52,907 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-11-25 18:05:52,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2022-11-25 18:05:52,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2022-11-25 18:05:52,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2022-11-25 18:05:52,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2022-11-25 18:05:52,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 18:05:52,909 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-25 18:05:52,917 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-25 18:05:52,917 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 18:05:53,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:05:53 BasicIcfg [2022-11-25 18:05:53,087 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 18:05:53,087 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:05:53,088 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:05:53,088 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:05:53,089 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:05:03" (3/4) ... [2022-11-25 18:05:53,091 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 18:05:53,212 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe80e7d-1402-42df-91f0-c534c216d90d/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 18:05:53,212 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:05:53,213 INFO L158 Benchmark]: Toolchain (without parser) took 51931.77ms. Allocated memory was 165.7MB in the beginning and 5.4GB in the end (delta: 5.2GB). Free memory was 133.3MB in the beginning and 5.0GB in the end (delta: -4.9GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2022-11-25 18:05:53,213 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 123.7MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:05:53,214 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1013.89ms. Allocated memory is still 165.7MB. Free memory was 133.3MB in the beginning and 116.8MB in the end (delta: 16.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 18:05:53,214 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.93ms. Allocated memory is still 165.7MB. Free memory was 116.8MB in the beginning and 114.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:05:53,215 INFO L158 Benchmark]: Boogie Preprocessor took 80.01ms. Allocated memory is still 165.7MB. Free memory was 114.7MB in the beginning and 112.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:05:53,215 INFO L158 Benchmark]: RCFGBuilder took 1282.23ms. Allocated memory is still 165.7MB. Free memory was 112.6MB in the beginning and 73.7MB in the end (delta: 39.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-25 18:05:53,216 INFO L158 Benchmark]: TraceAbstraction took 49307.39ms. Allocated memory was 165.7MB in the beginning and 5.4GB in the end (delta: 5.2GB). Free memory was 73.7MB in the beginning and 3.8GB in the end (delta: -3.8GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2022-11-25 18:05:53,216 INFO L158 Benchmark]: Witness Printer took 124.96ms. Allocated memory is still 5.4GB. Free memory was 3.8GB in the beginning and 5.0GB in the end (delta: -1.2GB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2022-11-25 18:05:53,220 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 123.7MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1013.89ms. Allocated memory is still 165.7MB. Free memory was 133.3MB in the beginning and 116.8MB in the end (delta: 16.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.93ms. Allocated memory is still 165.7MB. Free memory was 116.8MB in the beginning and 114.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.01ms. Allocated memory is still 165.7MB. Free memory was 114.7MB in the beginning and 112.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1282.23ms. Allocated memory is still 165.7MB. Free memory was 112.6MB in the beginning and 73.7MB in the end (delta: 39.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 49307.39ms. Allocated memory was 165.7MB in the beginning and 5.4GB in the end (delta: 5.2GB). Free memory was 73.7MB in the beginning and 3.8GB in the end (delta: -3.8GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Witness Printer took 124.96ms. Allocated memory is still 5.4GB. Free memory was 3.8GB in the beginning and 5.0GB in the end (delta: -1.2GB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.6s, 147 PlacesBefore, 45 PlacesAfterwards, 136 TransitionsBefore, 33 TransitionsAfterwards, 3534 CoEnabledTransitionPairs, 7 FixpointIterations, 47 TrivialSequentialCompositions, 58 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 1 ChoiceCompositions, 117 TotalNumberOfCompositions, 10170 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4745, independent: 4501, independent conditional: 0, independent unconditional: 4501, dependent: 244, dependent conditional: 0, dependent unconditional: 244, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2436, independent: 2353, independent conditional: 0, independent unconditional: 2353, dependent: 83, dependent conditional: 0, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2436, independent: 2321, independent conditional: 0, independent unconditional: 2321, dependent: 115, dependent conditional: 0, dependent unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 115, independent: 32, independent conditional: 0, independent unconditional: 32, dependent: 83, dependent conditional: 0, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 992, independent: 64, independent conditional: 0, independent unconditional: 64, dependent: 927, dependent conditional: 0, dependent unconditional: 927, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4745, independent: 2148, independent conditional: 0, independent unconditional: 2148, dependent: 161, dependent conditional: 0, dependent unconditional: 161, unknown: 2436, unknown conditional: 0, unknown unconditional: 2436] , Statistics on independence cache: Total cache size (in pairs): 294, Positive cache size: 263, Positive conditional cache size: 0, Positive unconditional cache size: 263, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L716] 0 int __unbuffered_p2_EBX = 0; [L718] 0 int __unbuffered_p3_EAX = 0; [L720] 0 int __unbuffered_p3_EBX = 0; [L722] 0 int a = 0; [L723] 0 _Bool a$flush_delayed; [L724] 0 int a$mem_tmp; [L725] 0 _Bool a$r_buff0_thd0; [L726] 0 _Bool a$r_buff0_thd1; [L727] 0 _Bool a$r_buff0_thd2; [L728] 0 _Bool a$r_buff0_thd3; [L729] 0 _Bool a$r_buff0_thd4; [L730] 0 _Bool a$r_buff1_thd0; [L731] 0 _Bool a$r_buff1_thd1; [L732] 0 _Bool a$r_buff1_thd2; [L733] 0 _Bool a$r_buff1_thd3; [L734] 0 _Bool a$r_buff1_thd4; [L735] 0 _Bool a$read_delayed; [L736] 0 int *a$read_delayed_var; [L737] 0 int a$w_buff0; [L738] 0 _Bool a$w_buff0_used; [L739] 0 int a$w_buff1; [L740] 0 _Bool a$w_buff1_used; [L741] 0 _Bool main$tmp_guard0; [L742] 0 _Bool main$tmp_guard1; [L744] 0 int x = 0; [L746] 0 int y = 0; [L748] 0 int z = 0; [L749] 0 _Bool weak$$choice0; [L750] 0 _Bool weak$$choice2; [L871] 0 pthread_t t177; [L872] FCALL, FORK 0 pthread_create(&t177, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t177, ((void *)0), P0, ((void *)0))=-3, t177={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L754] 1 a$w_buff1 = a$w_buff0 [L755] 1 a$w_buff0 = 1 [L756] 1 a$w_buff1_used = a$w_buff0_used [L757] 1 a$w_buff0_used = (_Bool)1 [L758] CALL 1 __VERIFIER_assert(!(a$w_buff1_used && a$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L758] RET 1 __VERIFIER_assert(!(a$w_buff1_used && a$w_buff0_used)) [L759] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L760] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L761] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L762] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L763] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L764] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L767] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L873] 0 pthread_t t178; [L874] FCALL, FORK 0 pthread_create(&t178, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t178, ((void *)0), P1, ((void *)0))=-2, t177={5:0}, t178={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L784] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L875] 0 pthread_t t179; [L876] FCALL, FORK 0 pthread_create(&t179, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t179, ((void *)0), P2, ((void *)0))=-1, t177={5:0}, t178={6:0}, t179={7:0}, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L877] 0 pthread_t t180; [L787] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L804] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0] [L807] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0] [L810] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0] [L878] FCALL, FORK 0 pthread_create(&t180, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t180, ((void *)0), P3, ((void *)0))=0, t177={5:0}, t178={6:0}, t179={7:0}, t180={3:0}, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0] [L827] 4 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1] [L830] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1] [L833] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L834] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L835] 4 a$flush_delayed = weak$$choice2 [L836] 4 a$mem_tmp = a [L837] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L838] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L839] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L840] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L841] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L842] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L843] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L844] 4 __unbuffered_p3_EBX = a [L845] 4 a = a$flush_delayed ? a$mem_tmp : a [L846] 4 a$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1] [L770] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L771] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L772] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L773] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L774] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1] [L777] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L779] 1 return 0; [L790] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L791] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L792] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L793] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L794] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1] [L813] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L814] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L815] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L816] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L817] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1] [L849] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L850] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L851] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L852] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L853] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1] [L797] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L799] 2 return 0; [L820] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L822] 3 return 0; [L856] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L858] 4 return 0; [L880] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t177={5:0}, t178={6:0}, t179={7:0}, t180={3:0}, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1] [L882] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L882] RET 0 assume_abort_if_not(main$tmp_guard0) [L884] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L885] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L886] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L887] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L888] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t177={5:0}, t178={6:0}, t179={7:0}, t180={3:0}, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1] [L891] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L893] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\old(expression)=1, \old(expression)=0, \result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 876]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 874]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 872]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 878]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 178 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 48.9s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 34.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 894 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 801 mSDsluCounter, 237 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 199 mSDsCounter, 102 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1846 IncrementalHoareTripleChecker+Invalid, 1948 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 102 mSolverCounterUnsat, 38 mSDtfsCounter, 1846 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=590occurred in iteration=10, InterpolantAutomatonStates: 65, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 264 NumberOfCodeBlocks, 264 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 1343 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-25 18:05:53,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe80e7d-1402-42df-91f0-c534c216d90d/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE