./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound10.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_9787d37d-0d0f-4915-b955-e393ba8d5f79/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9787d37d-0d0f-4915-b955-e393ba8d5f79/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_9787d37d-0d0f-4915-b955-e393ba8d5f79/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9787d37d-0d0f-4915-b955-e393ba8d5f79/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9787d37d-0d0f-4915-b955-e393ba8d5f79/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_9787d37d-0d0f-4915-b955-e393ba8d5f79/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 0a6d36c45579adaf3871b264b96aba9fa14294bc645c23d191a4e77c149500df --- 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 16:48:27,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:48:27,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:48:27,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:48:27,132 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:48:27,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:48:27,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:48:27,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:48:27,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:48:27,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:48:27,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:48:27,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:48:27,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:48:27,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:48:27,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:48:27,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:48:27,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:48:27,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:48:27,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:48:27,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:48:27,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:48:27,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:48:27,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:48:27,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:48:27,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:48:27,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:48:27,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:48:27,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:48:27,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:48:27,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:48:27,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:48:27,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:48:27,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:48:27,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:48:27,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:48:27,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:48:27,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:48:27,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:48:27,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:48:27,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:48:27,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:48:27,209 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9787d37d-0d0f-4915-b955-e393ba8d5f79/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:48:27,254 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:48:27,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:48:27,255 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:48:27,256 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:48:27,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:48:27,256 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:48:27,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:48:27,257 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:48:27,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:48:27,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:48:27,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:48:27,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:48:27,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:48:27,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:48:27,258 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:48:27,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:48:27,258 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:48:27,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:48:27,259 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:48:27,259 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:48:27,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:48:27,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:27,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:48:27,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:48:27,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:48:27,262 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:48:27,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:48:27,262 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:48:27,263 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_9787d37d-0d0f-4915-b955-e393ba8d5f79/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9787d37d-0d0f-4915-b955-e393ba8d5f79/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a6d36c45579adaf3871b264b96aba9fa14294bc645c23d191a4e77c149500df [2022-10-17 16:48:27,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:48:27,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:48:27,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:48:27,536 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:48:27,537 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:48:27,538 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9787d37d-0d0f-4915-b955-e393ba8d5f79/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound10.c [2022-10-17 16:48:27,619 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9787d37d-0d0f-4915-b955-e393ba8d5f79/bin/ukojak-92XMlrwhuB/data/0624c43dc/493f20eb475c46fb886d46a0f2c3a78e/FLAG5a7fd16c2 [2022-10-17 16:48:28,055 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:48:28,056 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9787d37d-0d0f-4915-b955-e393ba8d5f79/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound10.c [2022-10-17 16:48:28,074 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9787d37d-0d0f-4915-b955-e393ba8d5f79/bin/ukojak-92XMlrwhuB/data/0624c43dc/493f20eb475c46fb886d46a0f2c3a78e/FLAG5a7fd16c2 [2022-10-17 16:48:28,457 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9787d37d-0d0f-4915-b955-e393ba8d5f79/bin/ukojak-92XMlrwhuB/data/0624c43dc/493f20eb475c46fb886d46a0f2c3a78e [2022-10-17 16:48:28,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:48:28,461 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:48:28,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:28,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:48:28,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:48:28,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:28" (1/1) ... [2022-10-17 16:48:28,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38b2dc94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:28, skipping insertion in model container [2022-10-17 16:48:28,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:28" (1/1) ... [2022-10-17 16:48:28,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:48:28,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:48:28,691 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_9787d37d-0d0f-4915-b955-e393ba8d5f79/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound10.c[489,502] [2022-10-17 16:48:28,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:28,742 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:48:28,755 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_9787d37d-0d0f-4915-b955-e393ba8d5f79/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound10.c[489,502] [2022-10-17 16:48:28,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:28,777 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:48:28,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:28 WrapperNode [2022-10-17 16:48:28,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:28,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:28,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:48:28,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:48:28,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:28" (1/1) ... [2022-10-17 16:48:28,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:28" (1/1) ... [2022-10-17 16:48:28,816 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2022-10-17 16:48:28,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:28,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:48:28,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:48:28,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:48:28,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:28" (1/1) ... [2022-10-17 16:48:28,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:28" (1/1) ... [2022-10-17 16:48:28,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:28" (1/1) ... [2022-10-17 16:48:28,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:28" (1/1) ... [2022-10-17 16:48:28,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:28" (1/1) ... [2022-10-17 16:48:28,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:28" (1/1) ... [2022-10-17 16:48:28,838 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:28" (1/1) ... [2022-10-17 16:48:28,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:28" (1/1) ... [2022-10-17 16:48:28,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:48:28,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:48:28,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:48:28,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:48:28,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:28" (1/1) ... [2022-10-17 16:48:28,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:28,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9787d37d-0d0f-4915-b955-e393ba8d5f79/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:48:28,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9787d37d-0d0f-4915-b955-e393ba8d5f79/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:48:28,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9787d37d-0d0f-4915-b955-e393ba8d5f79/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:48:28,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:48:28,953 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:48:28,954 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:48:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:48:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:48:28,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:48:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:48:28,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:48:29,026 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:48:29,029 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:48:29,210 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:48:29,251 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:48:29,251 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:48:29,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:29 BoogieIcfgContainer [2022-10-17 16:48:29,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:48:29,255 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:48:29,255 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:48:29,265 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:48:29,266 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:29" (1/1) ... [2022-10-17 16:48:29,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:48:29,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:29,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2022-10-17 16:48:29,371 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2022-10-17 16:48:29,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:48:29,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:29,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:29,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:48:29,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:29,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2022-10-17 16:48:29,613 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2022-10-17 16:48:29,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:48:29,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:29,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:29,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:48:29,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:29,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 35 transitions. [2022-10-17 16:48:29,910 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2022-10-17 16:48:29,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:48:29,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:29,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:29,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:48:29,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:30,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:48:30,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:30,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 50 transitions. [2022-10-17 16:48:30,461 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2022-10-17 16:48:30,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:48:30,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:30,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:30,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-17 16:48:30,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:30,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:48:31,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:31,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 59 transitions. [2022-10-17 16:48:31,352 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2022-10-17 16:48:31,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:48:31,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:31,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:31,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:48:31,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:31,629 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:48:32,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:32,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 40 states and 70 transitions. [2022-10-17 16:48:32,730 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2022-10-17 16:48:32,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:48:32,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:32,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:32,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:48:32,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:32,840 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:48:32,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:32,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 72 transitions. [2022-10-17 16:48:32,902 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2022-10-17 16:48:32,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:48:32,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:32,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:32,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:48:32,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:33,068 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:48:34,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:34,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 51 states and 114 transitions. [2022-10-17 16:48:34,543 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 114 transitions. [2022-10-17 16:48:34,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:48:34,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:34,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:34,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:34,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 16:48:34,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:34,950 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:48:36,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:36,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 56 states and 134 transitions. [2022-10-17 16:48:36,427 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 134 transitions. [2022-10-17 16:48:36,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:48:36,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:36,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:36,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:48:36,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:36,808 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:38,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:38,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 60 states and 146 transitions. [2022-10-17 16:48:38,021 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 146 transitions. [2022-10-17 16:48:38,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:48:38,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:38,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:38,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 16:48:38,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:38,303 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-10-17 16:48:39,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:39,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 64 states and 164 transitions. [2022-10-17 16:48:39,302 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 164 transitions. [2022-10-17 16:48:39,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:48:39,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:39,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:39,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:48:39,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:40,297 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-17 16:48:45,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:45,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 73 states and 197 transitions. [2022-10-17 16:48:45,021 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 197 transitions. [2022-10-17 16:48:45,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:48:45,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:45,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:45,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:48:45,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:45,860 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-17 16:48:48,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:48,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 77 states and 215 transitions. [2022-10-17 16:48:48,232 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 215 transitions. [2022-10-17 16:48:48,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:48:48,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:48,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:48,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:48:48,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:48,718 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-17 16:48:52,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:52,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 80 states and 231 transitions. [2022-10-17 16:48:52,817 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 231 transitions. [2022-10-17 16:48:52,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:48:52,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:52,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:52,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:52,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:48:52,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:53,576 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-10-17 16:48:58,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:58,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 85 states and 260 transitions. [2022-10-17 16:48:58,082 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 260 transitions. [2022-10-17 16:48:58,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:48:58,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:58,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:58,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:48:58,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:58,512 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-10-17 16:48:59,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:59,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 86 states and 262 transitions. [2022-10-17 16:48:59,343 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 262 transitions. [2022-10-17 16:48:59,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:48:59,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:59,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:59,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:48:59,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:59,730 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked.