./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d00870-0490-45fa-97eb-25c3ff6f99f7/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d00870-0490-45fa-97eb-25c3ff6f99f7/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d00870-0490-45fa-97eb-25c3ff6f99f7/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d00870-0490-45fa-97eb-25c3ff6f99f7/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d00870-0490-45fa-97eb-25c3ff6f99f7/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d00870-0490-45fa-97eb-25c3ff6f99f7/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3d9847fe213bf8df5d23c53d2bc8b53fb384c85820b87c09591484702dabefc3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:43:12,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:43:12,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:43:12,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:43:12,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:43:12,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:43:12,481 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:43:12,484 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:43:12,486 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:43:12,487 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:43:12,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:43:12,491 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:43:12,491 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:43:12,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:43:12,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:43:12,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:43:12,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:43:12,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:43:12,502 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:43:12,505 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:43:12,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:43:12,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:43:12,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:43:12,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:43:12,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:43:12,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:43:12,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:43:12,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:43:12,528 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:43:12,529 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:43:12,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:43:12,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:43:12,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:43:12,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:43:12,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:43:12,547 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:43:12,548 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:43:12,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:43:12,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:43:12,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:43:12,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:43:12,553 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d00870-0490-45fa-97eb-25c3ff6f99f7/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:43:12,606 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:43:12,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:43:12,608 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:43:12,608 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:43:12,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:43:12,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:43:12,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:43:12,610 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:43:12,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:43:12,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:43:12,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:43:12,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:43:12,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:43:12,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:43:12,612 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:43:12,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:43:12,613 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:43:12,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:43:12,613 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:43:12,614 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:43:12,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:43:12,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:43:12,615 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:43:12,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:43:12,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:43:12,616 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:43:12,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:43:12,616 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:43:12,617 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d00870-0490-45fa-97eb-25c3ff6f99f7/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d00870-0490-45fa-97eb-25c3ff6f99f7/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d9847fe213bf8df5d23c53d2bc8b53fb384c85820b87c09591484702dabefc3 [2022-10-17 16:43:12,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:43:12,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:43:12,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:43:12,902 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:43:12,903 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:43:12,905 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d00870-0490-45fa-97eb-25c3ff6f99f7/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound10.c [2022-10-17 16:43:12,976 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d00870-0490-45fa-97eb-25c3ff6f99f7/bin/ukojak-92XMlrwhuB/data/7dd73425c/a696a1db89eb47edb8b2e5b856b3ca4b/FLAGdbae88ec7 [2022-10-17 16:43:13,531 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:43:13,532 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d00870-0490-45fa-97eb-25c3ff6f99f7/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound10.c [2022-10-17 16:43:13,539 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d00870-0490-45fa-97eb-25c3ff6f99f7/bin/ukojak-92XMlrwhuB/data/7dd73425c/a696a1db89eb47edb8b2e5b856b3ca4b/FLAGdbae88ec7 [2022-10-17 16:43:13,894 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d00870-0490-45fa-97eb-25c3ff6f99f7/bin/ukojak-92XMlrwhuB/data/7dd73425c/a696a1db89eb47edb8b2e5b856b3ca4b [2022-10-17 16:43:13,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:43:13,898 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:43:13,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:43:13,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:43:13,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:43:13,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:43:13" (1/1) ... [2022-10-17 16:43:13,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b2c8840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:13, skipping insertion in model container [2022-10-17 16:43:13,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:43:13" (1/1) ... [2022-10-17 16:43:13,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:43:13,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:43:14,145 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d00870-0490-45fa-97eb-25c3ff6f99f7/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound10.c[489,502] [2022-10-17 16:43:14,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:43:14,178 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:43:14,191 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d00870-0490-45fa-97eb-25c3ff6f99f7/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound10.c[489,502] [2022-10-17 16:43:14,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:43:14,214 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:43:14,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:14 WrapperNode [2022-10-17 16:43:14,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:43:14,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:43:14,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:43:14,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:43:14,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:14" (1/1) ... [2022-10-17 16:43:14,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:14" (1/1) ... [2022-10-17 16:43:14,251 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-10-17 16:43:14,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:43:14,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:43:14,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:43:14,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:43:14,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:14" (1/1) ... [2022-10-17 16:43:14,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:14" (1/1) ... [2022-10-17 16:43:14,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:14" (1/1) ... [2022-10-17 16:43:14,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:14" (1/1) ... [2022-10-17 16:43:14,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:14" (1/1) ... [2022-10-17 16:43:14,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:14" (1/1) ... [2022-10-17 16:43:14,273 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:14" (1/1) ... [2022-10-17 16:43:14,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:14" (1/1) ... [2022-10-17 16:43:14,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:43:14,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:43:14,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:43:14,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:43:14,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:14" (1/1) ... [2022-10-17 16:43:14,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:43:14,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d00870-0490-45fa-97eb-25c3ff6f99f7/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:43:14,324 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d00870-0490-45fa-97eb-25c3ff6f99f7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:43:14,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2d00870-0490-45fa-97eb-25c3ff6f99f7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:43:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:43:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:43:14,387 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:43:14,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:43:14,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:43:14,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:43:14,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:43:14,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:43:14,464 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:43:14,466 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:43:14,657 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:43:14,695 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:43:14,695 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:43:14,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:43:14 BoogieIcfgContainer [2022-10-17 16:43:14,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:43:14,699 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:43:14,700 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:43:14,711 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:43:14,711 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:43:14" (1/1) ... [2022-10-17 16:43:14,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:43:14,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:14,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2022-10-17 16:43:14,789 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2022-10-17 16:43:14,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:43:14,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:14,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:14,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:43:15,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:15,224 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:43:15,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:15,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2022-10-17 16:43:15,413 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2022-10-17 16:43:15,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:43:15,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:15,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:15,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-17 16:43:15,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:15,755 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:43:16,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:16,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2022-10-17 16:43:16,059 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2022-10-17 16:43:16,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:43:16,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:16,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:16,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:43:16,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:16,445 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:43:17,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:17,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 74 transitions. [2022-10-17 16:43:17,271 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2022-10-17 16:43:17,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:43:17,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:17,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:17,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:43:17,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:17,472 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:43:17,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:17,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 74 transitions. [2022-10-17 16:43:17,500 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2022-10-17 16:43:17,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:43:17,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:17,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:17,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-17 16:43:17,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:17,619 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:43:17,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:17,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 74 transitions. [2022-10-17 16:43:17,653 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2022-10-17 16:43:17,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:43:17,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:17,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:17,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:43:17,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:17,787 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:43:18,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:18,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 44 states and 81 transitions. [2022-10-17 16:43:18,153 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2022-10-17 16:43:18,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:43:18,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:18,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:18,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 16:43:18,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:18,467 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:43:19,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:19,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 43 states and 78 transitions. [2022-10-17 16:43:19,392 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2022-10-17 16:43:19,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:43:19,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:19,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:19,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:43:19,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:19,492 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:43:19,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:19,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 43 states and 77 transitions. [2022-10-17 16:43:19,562 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2022-10-17 16:43:19,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:43:19,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:19,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:19,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 16:43:19,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:19,949 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:43:20,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:20,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 47 states and 91 transitions. [2022-10-17 16:43:20,596 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 91 transitions. [2022-10-17 16:43:20,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:43:20,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:20,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:20,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 16:43:20,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:20,883 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-17 16:43:21,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:21,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 51 states and 101 transitions. [2022-10-17 16:43:21,849 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 101 transitions. [2022-10-17 16:43:21,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:43:21,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:21,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:21,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 16:43:21,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:22,386 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-17 16:43:23,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:23,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 55 states and 114 transitions. [2022-10-17 16:43:23,557 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 114 transitions. [2022-10-17 16:43:23,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:43:23,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:23,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:23,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 16:43:23,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:23,863 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-17 16:43:24,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:24,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 57 states and 120 transitions. [2022-10-17 16:43:24,214 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 120 transitions. [2022-10-17 16:43:24,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:43:24,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:24,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:24,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:43:24,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:24,558 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:43:27,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:27,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 62 states and 139 transitions. [2022-10-17 16:43:27,299 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 139 transitions. [2022-10-17 16:43:27,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:43:27,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:27,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:27,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:43:27,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:28,164 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-10-17 16:43:30,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:30,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 67 states and 156 transitions. [2022-10-17 16:43:30,749 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 156 transitions. [2022-10-17 16:43:30,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:43:30,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:30,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:30,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:43:30,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:31,168 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-10-17 16:43:31,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:31,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 69 states and 160 transitions. [2022-10-17 16:43:31,705 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 160 transitions. [2022-10-17 16:43:31,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:43:31,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:31,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:31,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:43:31,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:32,161 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-10-17 16:43:32,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:32,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 70 states and 162 transitions. [2022-10-17 16:43:32,909 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 162 transitions. [2022-10-17 16:43:32,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:43:32,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:32,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:32,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:43:32,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:33,296 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-10-17 16:43:36,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:36,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 74 states and 171 transitions. [2022-10-17 16:43:36,776 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 171 transitions. [2022-10-17 16:43:36,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:43:36,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:36,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:36,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:43:36,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:38,021 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-10-17 16:43:41,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:41,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 78 states and 191 transitions. [2022-10-17 16:43:41,648 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 191 transitions. [2022-10-17 16:43:41,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:43:41,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:41,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:41,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:43:41,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:42,720 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-10-17 16:43:43,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:43,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 79 states and 192 transitions. [2022-10-17 16:43:43,201 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 192 transitions. [2022-10-17 16:43:43,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:43:43,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:43,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:43,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:43:43,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:44,049 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-10-17 16:43:44,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:44,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 80 states and 194 transitions. [2022-10-17 16:43:44,689 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 194 transitions. [2022-10-17 16:43:44,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:43:44,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:44,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:44,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 16:43:44,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:44,767 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-10-17 16:43:47,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:47,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 82 states and 201 transitions. [2022-10-17 16:43:47,003 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 201 transitions. [2022-10-17 16:43:47,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:43:47,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:47,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:47,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 16:43:47,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:47,078 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-10-17 16:43:47,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:47,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 83 states and 202 transitions. [2022-10-17 16:43:47,677 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 202 transitions. [2022-10-17 16:43:47,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:43:47,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:47,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:47,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 34 conjunts are in the unsatisfiable core [2022-10-17 16:43:47,746 INFO L286 TraceCheckSpWp]: Computing forward predicates...