./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeb0cdd-5587-467a-8a2b-d7a2a3353eca/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeb0cdd-5587-467a-8a2b-d7a2a3353eca/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeb0cdd-5587-467a-8a2b-d7a2a3353eca/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeb0cdd-5587-467a-8a2b-d7a2a3353eca/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeb0cdd-5587-467a-8a2b-d7a2a3353eca/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeb0cdd-5587-467a-8a2b-d7a2a3353eca/bin/ukojak-rkRKPMF4O4 --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 eb7e704db84b45f8c7f1cb386fc610e1107f57c6e67c0a3b2af510d7426cfd4f --- 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-2329fc7 [2022-12-14 18:06:13,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:06:13,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:06:13,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:06:13,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:06:13,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:06:13,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:06:13,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:06:13,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:06:13,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:06:13,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:06:13,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:06:13,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:06:13,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:06:13,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:06:13,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:06:13,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:06:13,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:06:13,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:06:14,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:06:14,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:06:14,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:06:14,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:06:14,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:06:14,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:06:14,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:06:14,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:06:14,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:06:14,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:06:14,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:06:14,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:06:14,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:06:14,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:06:14,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:06:14,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:06:14,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:06:14,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:06:14,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:06:14,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:06:14,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:06:14,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:06:14,026 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeb0cdd-5587-467a-8a2b-d7a2a3353eca/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 18:06:14,041 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:06:14,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:06:14,042 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:06:14,042 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:06:14,043 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:06:14,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:06:14,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:06:14,043 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:06:14,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:06:14,043 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:06:14,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:06:14,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:06:14,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:06:14,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:06:14,044 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:06:14,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:06:14,044 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:06:14,044 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:06:14,045 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:06:14,045 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:06:14,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:06:14,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:06:14,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:06:14,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:06:14,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:06:14,046 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:06:14,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:06:14,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:06:14,046 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_cfeb0cdd-5587-467a-8a2b-d7a2a3353eca/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeb0cdd-5587-467a-8a2b-d7a2a3353eca/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb7e704db84b45f8c7f1cb386fc610e1107f57c6e67c0a3b2af510d7426cfd4f [2022-12-14 18:06:14,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:06:14,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:06:14,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:06:14,275 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:06:14,275 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:06:14,276 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeb0cdd-5587-467a-8a2b-d7a2a3353eca/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound5.c [2022-12-14 18:06:16,798 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:06:16,958 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:06:16,958 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeb0cdd-5587-467a-8a2b-d7a2a3353eca/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound5.c [2022-12-14 18:06:16,966 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeb0cdd-5587-467a-8a2b-d7a2a3353eca/bin/ukojak-rkRKPMF4O4/data/cccb30724/9e37aa776d3443aa819500c5bd126e3b/FLAGada815dfb [2022-12-14 18:06:17,359 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeb0cdd-5587-467a-8a2b-d7a2a3353eca/bin/ukojak-rkRKPMF4O4/data/cccb30724/9e37aa776d3443aa819500c5bd126e3b [2022-12-14 18:06:17,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:06:17,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:06:17,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:06:17,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:06:17,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:06:17,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:06:17" (1/1) ... [2022-12-14 18:06:17,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ad1007b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:17, skipping insertion in model container [2022-12-14 18:06:17,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:06:17" (1/1) ... [2022-12-14 18:06:17,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:06:17,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:06:17,484 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_cfeb0cdd-5587-467a-8a2b-d7a2a3353eca/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound5.c[525,538] [2022-12-14 18:06:17,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:06:17,509 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:06:17,518 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_cfeb0cdd-5587-467a-8a2b-d7a2a3353eca/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound5.c[525,538] [2022-12-14 18:06:17,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:06:17,536 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:06:17,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:17 WrapperNode [2022-12-14 18:06:17,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:06:17,537 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:06:17,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:06:17,537 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:06:17,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:17" (1/1) ... [2022-12-14 18:06:17,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:17" (1/1) ... [2022-12-14 18:06:17,560 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2022-12-14 18:06:17,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:06:17,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:06:17,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:06:17,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:06:17,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:17" (1/1) ... [2022-12-14 18:06:17,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:17" (1/1) ... [2022-12-14 18:06:17,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:17" (1/1) ... [2022-12-14 18:06:17,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:17" (1/1) ... [2022-12-14 18:06:17,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:17" (1/1) ... [2022-12-14 18:06:17,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:17" (1/1) ... [2022-12-14 18:06:17,574 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:17" (1/1) ... [2022-12-14 18:06:17,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:17" (1/1) ... [2022-12-14 18:06:17,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:06:17,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:06:17,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:06:17,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:06:17,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:06:17" (1/1) ... [2022-12-14 18:06:17,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:06:17,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeb0cdd-5587-467a-8a2b-d7a2a3353eca/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:06:17,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeb0cdd-5587-467a-8a2b-d7a2a3353eca/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:06:17,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfeb0cdd-5587-467a-8a2b-d7a2a3353eca/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:06:17,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:06:17,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:06:17,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:06:17,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:06:17,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 18:06:17,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 18:06:17,690 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:06:17,692 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:06:17,860 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:06:17,897 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:06:17,897 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 18:06:17,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:06:17 BoogieIcfgContainer [2022-12-14 18:06:17,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:06:17,899 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:06:17,900 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:06:17,909 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:06:17,909 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:06:17" (1/1) ... [2022-12-14 18:06:17,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:06:17,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:17,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2022-12-14 18:06:17,960 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2022-12-14 18:06:17,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 18:06:17,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:17,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:18,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:18,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 18:06:18,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:06:18,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:06:18,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:18,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2022-12-14 18:06:18,137 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2022-12-14 18:06:18,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 18:06:18,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:18,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:18,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 18:06:18,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:06:18,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:06:18,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:18,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2022-12-14 18:06:18,265 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2022-12-14 18:06:18,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 18:06:18,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:18,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:18,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 18:06:18,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:06:18,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:06:18,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:18,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2022-12-14 18:06:18,404 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2022-12-14 18:06:18,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 18:06:18,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:18,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:18,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:06:19,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:19,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 69 transitions. [2022-12-14 18:06:19,478 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 69 transitions. [2022-12-14 18:06:19,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 18:06:19,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:19,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:19,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 18:06:19,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:06:19,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:06:19,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:19,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 73 transitions. [2022-12-14 18:06:19,674 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2022-12-14 18:06:19,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 18:06:19,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:19,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:19,889 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:06:20,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:20,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 88 transitions. [2022-12-14 18:06:20,937 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 88 transitions. [2022-12-14 18:06:20,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 18:06:20,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:20,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:21,088 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:06:21,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:21,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 47 states and 90 transitions. [2022-12-14 18:06:21,351 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 90 transitions. [2022-12-14 18:06:21,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 18:06:21,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:21,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:21,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 18:06:21,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:06:21,444 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:06:21,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:21,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 50 states and 100 transitions. [2022-12-14 18:06:21,770 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 100 transitions. [2022-12-14 18:06:21,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 18:06:21,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:21,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:21,908 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:06:22,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:22,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 53 states and 107 transitions. [2022-12-14 18:06:22,532 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 107 transitions. [2022-12-14 18:06:22,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 18:06:22,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:22,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:22,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 18:06:22,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:06:22,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:06:33,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 18:06:34,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:34,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 57 states and 117 transitions. [2022-12-14 18:06:34,176 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 117 transitions. [2022-12-14 18:06:34,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 18:06:34,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:34,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:34,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 18:06:34,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:06:34,265 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:06:34,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:34,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 59 states and 124 transitions. [2022-12-14 18:06:34,465 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 124 transitions. [2022-12-14 18:06:34,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 18:06:34,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:34,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:34,684 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:06:35,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:35,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 64 states and 133 transitions. [2022-12-14 18:06:35,651 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 133 transitions. [2022-12-14 18:06:35,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 18:06:35,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:35,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:35,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 18:06:35,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:06:35,787 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:06:36,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:36,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 67 states and 145 transitions. [2022-12-14 18:06:36,292 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 145 transitions. [2022-12-14 18:06:36,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 18:06:36,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:36,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:36,404 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:06:37,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:37,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 70 states and 152 transitions. [2022-12-14 18:06:37,224 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 152 transitions. [2022-12-14 18:06:37,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 18:06:37,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:37,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:37,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-14 18:06:37,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:06:37,617 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:06:41,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 18:06:42,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:42,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 77 states and 170 transitions. [2022-12-14 18:06:42,012 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 170 transitions. [2022-12-14 18:06:42,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 18:06:42,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:42,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:42,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-14 18:06:42,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:06:42,416 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:06:43,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:06:43,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 79 states and 173 transitions. [2022-12-14 18:06:43,234 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 173 transitions. [2022-12-14 18:06:43,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 18:06:43,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:06:43,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:06:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:06:43,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-14 18:06:43,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:07:00,385 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 18:07:15,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 18:07:16,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:07:16,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 85 states and 193 transitions. [2022-12-14 18:07:16,780 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 193 transitions. [2022-12-14 18:07:16,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 18:07:16,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:07:16,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:07:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:07:17,121 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:07:18,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:07:18,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 87 states and 205 transitions. [2022-12-14 18:07:18,258 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 205 transitions. [2022-12-14 18:07:18,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 18:07:18,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:07:18,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:07:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:07:18,516 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:07:19,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:07:19,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 92 states and 215 transitions. [2022-12-14 18:07:19,878 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 215 transitions. [2022-12-14 18:07:19,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 18:07:19,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:07:19,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:07:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:07:19,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 18:07:19,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:07:20,105 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:07:20,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:07:20,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 95 states and 224 transitions. [2022-12-14 18:07:20,899 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 224 transitions. [2022-12-14 18:07:20,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 18:07:20,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:07:20,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:07:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:07:21,007 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:07:22,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:07:22,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 98 states and 231 transitions. [2022-12-14 18:07:22,630 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 231 transitions. [2022-12-14 18:07:22,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 18:07:22,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:07:22,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:07:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:07:22,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 18:07:22,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:07:23,474 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:07:32,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:07:32,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 105 states and 252 transitions. [2022-12-14 18:07:32,295 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 252 transitions. [2022-12-14 18:07:32,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 18:07:32,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:07:32,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:07:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:07:32,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 18:07:32,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:07:33,042 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:07:44,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:07:44,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 108 states and 259 transitions. [2022-12-14 18:07:44,996 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 259 transitions. [2022-12-14 18:07:44,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 18:07:44,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:07:44,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:07:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:07:45,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 18:07:45,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:07:45,485 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:07:46,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:07:46,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 110 states and 260 transitions. [2022-12-14 18:07:46,287 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 260 transitions. [2022-12-14 18:07:46,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 18:07:46,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:07:46,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:07:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:07:46,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 18:07:46,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:07:47,721 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:07:52,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:07:52,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 112 states and 263 transitions. [2022-12-14 18:07:52,347 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 263 transitions. [2022-12-14 18:07:52,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 18:07:52,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:07:52,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:07:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:07:52,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 18:07:52,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:08:37,202 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 18:08:42,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:08:42,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 119 states and 281 transitions. [2022-12-14 18:08:42,251 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 281 transitions. [2022-12-14 18:08:42,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 18:08:42,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:08:42,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:08:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:08:42,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 18:08:42,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:08:46,904 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 18:08:48,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:08:48,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 124 states and 290 transitions. [2022-12-14 18:08:48,998 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 290 transitions. [2022-12-14 18:08:48,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 18:08:48,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:08:48,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:08:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:08:49,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 18:08:49,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:08:49,198 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:08:49,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:08:49,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 126 states and 291 transitions. [2022-12-14 18:08:49,698 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 291 transitions. [2022-12-14 18:08:49,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 18:08:49,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:08:49,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:08:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:08:49,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 18:08:49,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:09:12,507 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:09:44,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 18:09:54,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 18:10:04,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 18:10:08,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.44s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 18:10:18,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 18:10:18,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:10:18,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 128 states and 297 transitions. [2022-12-14 18:10:18,131 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 297 transitions. [2022-12-14 18:10:18,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 18:10:18,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:10:18,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:10:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:10:18,607 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:10:21,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:10:21,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 91 states and 178 transitions. [2022-12-14 18:10:21,111 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 178 transitions. [2022-12-14 18:10:21,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 18:10:21,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:10:21,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:10:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:10:21,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 18:10:21,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:10:22,073 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-14 18:10:35,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 18:10:38,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 18:10:38,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:10:38,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 94 states and 185 transitions. [2022-12-14 18:10:38,218 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 185 transitions. [2022-12-14 18:10:38,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 18:10:38,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:10:38,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:10:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:10:38,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-14 18:10:38,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:10:47,397 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:11:02,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 18:11:02,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:11:02,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 97 states and 193 transitions. [2022-12-14 18:11:02,767 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 193 transitions. [2022-12-14 18:11:02,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 18:11:02,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:11:02,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:11:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:11:02,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-14 18:11:02,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:11:08,658 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:11:21,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:11:21,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 98 states and 197 transitions. [2022-12-14 18:11:21,952 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 197 transitions. [2022-12-14 18:11:21,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 18:11:21,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:11:21,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:11:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:11:21,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 18:11:21,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:12:03,717 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 18:12:22,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:12:22,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 102 states and 206 transitions. [2022-12-14 18:12:22,084 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 206 transitions. [2022-12-14 18:12:22,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 18:12:22,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:12:22,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:12:22,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:12:22,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 18:12:22,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:12:22,194 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-14 18:12:23,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:12:23,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 102 states and 201 transitions. [2022-12-14 18:12:23,424 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 201 transitions. [2022-12-14 18:12:23,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 18:12:23,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:12:23,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:12:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:12:24,034 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-12-14 18:12:25,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:12:25,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 100 states and 183 transitions. [2022-12-14 18:12:25,316 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 183 transitions. [2022-12-14 18:12:25,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 18:12:25,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:12:25,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:12:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:12:25,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 18:12:25,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:12:25,702 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 18:13:11,378 WARN L233 SmtUtils]: Spent 13.44s on a formula simplification. DAG size of input: 25 DAG size of output: 21 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 18:16:10,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:16:10,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 102 states and 189 transitions. [2022-12-14 18:16:10,101 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 189 transitions. [2022-12-14 18:16:10,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 18:16:10,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:16:10,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:16:10,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:16:10,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 18:16:10,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:16:11,196 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 18:16:23,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 18:16:30,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 18:16:31,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:16:31,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 104 states and 195 transitions. [2022-12-14 18:16:31,159 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 195 transitions. [2022-12-14 18:16:31,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 18:16:31,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:16:31,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:16:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:16:31,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 18:16:31,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:16:31,309 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-14 18:16:44,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:16:44,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 108 states and 205 transitions. [2022-12-14 18:16:44,424 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 205 transitions. [2022-12-14 18:16:44,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 18:16:44,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:16:44,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:16:44,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:16:44,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-14 18:16:44,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:17:11,650 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 18:17:29,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:17:29,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 112 states and 213 transitions. [2022-12-14 18:17:29,199 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 213 transitions. [2022-12-14 18:17:29,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 18:17:29,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:17:29,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:17:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:17:29,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 18:17:29,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:17:29,339 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-14 18:17:34,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:17:34,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 112 states and 212 transitions. [2022-12-14 18:17:34,486 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 212 transitions. [2022-12-14 18:17:34,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 18:17:34,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:17:34,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:17:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:17:34,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 18:17:34,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:17:35,677 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 18:17:39,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:17:39,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 114 states and 217 transitions. [2022-12-14 18:17:39,024 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 217 transitions. [2022-12-14 18:17:39,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 18:17:39,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:17:39,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:17:39,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:17:39,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-14 18:17:39,053 INFO L286 TraceCheckSpWp]: Computing forward predicates...