./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4d4207-85fb-4226-9a6c-154d0f9ddf64/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4d4207-85fb-4226-9a6c-154d0f9ddf64/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4d4207-85fb-4226-9a6c-154d0f9ddf64/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4d4207-85fb-4226-9a6c-154d0f9ddf64/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4d4207-85fb-4226-9a6c-154d0f9ddf64/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4d4207-85fb-4226-9a6c-154d0f9ddf64/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd71e81526c53a209c01167c5f9fb82334550a28a2ce7544b173ad186de6362e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:54:02,719 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:54:02,784 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4d4207-85fb-4226-9a6c-154d0f9ddf64/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 20:54:02,788 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:54:02,789 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 20:54:02,810 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:54:02,811 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:54:02,812 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 20:54:02,813 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:54:02,813 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:54:02,814 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:54:02,814 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:54:02,815 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:54:02,815 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:54:02,815 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:54:02,816 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:54:02,816 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:54:02,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:54:02,817 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:54:02,818 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 20:54:02,818 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 20:54:02,819 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:54:02,820 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:54:02,820 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:54:02,820 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 20:54:02,821 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 20:54:02,821 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 20:54:02,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:54:02,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:54:02,822 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:54:02,823 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:54:02,823 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:54:02,824 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 20:54:02,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:54:02,824 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:54:02,825 INFO L153 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_db4d4207-85fb-4226-9a6c-154d0f9ddf64/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4d4207-85fb-4226-9a6c-154d0f9ddf64/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd71e81526c53a209c01167c5f9fb82334550a28a2ce7544b173ad186de6362e [2023-12-02 20:54:03,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:54:03,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:54:03,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:54:03,072 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:54:03,073 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:54:03,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4d4207-85fb-4226-9a6c-154d0f9ddf64/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound1.c [2023-12-02 20:54:05,791 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:54:08,029 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:54:08,029 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4d4207-85fb-4226-9a6c-154d0f9ddf64/sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound1.c [2023-12-02 20:54:08,037 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4d4207-85fb-4226-9a6c-154d0f9ddf64/bin/ukojak-verify-Qdu7aM0XO9/data/62d2382b6/8a6c4209e1f7492dbde98f7abcc01254/FLAG3ab7b35e5 [2023-12-02 20:54:08,052 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4d4207-85fb-4226-9a6c-154d0f9ddf64/bin/ukojak-verify-Qdu7aM0XO9/data/62d2382b6/8a6c4209e1f7492dbde98f7abcc01254 [2023-12-02 20:54:08,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:54:08,057 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:54:08,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:54:08,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:54:08,063 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:54:08,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:54:08" (1/1) ... [2023-12-02 20:54:08,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@336cc5c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:08, skipping insertion in model container [2023-12-02 20:54:08,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:54:08" (1/1) ... [2023-12-02 20:54:08,086 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:54:08,255 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:54:08,265 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:54:08,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:54:08,294 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:54:08,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:08 WrapperNode [2023-12-02 20:54:08,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:54:08,296 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:54:08,296 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:54:08,296 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:54:08,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:08" (1/1) ... [2023-12-02 20:54:08,310 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:08" (1/1) ... [2023-12-02 20:54:08,336 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2023-12-02 20:54:08,336 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:54:08,337 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:54:08,337 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:54:08,337 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:54:08,346 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:08" (1/1) ... [2023-12-02 20:54:08,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:08" (1/1) ... [2023-12-02 20:54:08,348 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:08" (1/1) ... [2023-12-02 20:54:08,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:08" (1/1) ... [2023-12-02 20:54:08,353 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:08" (1/1) ... [2023-12-02 20:54:08,356 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:08" (1/1) ... [2023-12-02 20:54:08,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:08" (1/1) ... [2023-12-02 20:54:08,359 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:08" (1/1) ... [2023-12-02 20:54:08,361 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:54:08,362 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:54:08,362 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:54:08,362 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:54:08,363 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:08" (1/1) ... [2023-12-02 20:54:08,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:54:08,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4d4207-85fb-4226-9a6c-154d0f9ddf64/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 20:54:08,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4d4207-85fb-4226-9a6c-154d0f9ddf64/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 20:54:08,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4d4207-85fb-4226-9a6c-154d0f9ddf64/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 20:54:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:54:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:54:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:54:08,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:54:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 20:54:08,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 20:54:08,471 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:54:08,473 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:54:08,743 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:54:08,771 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:54:08,771 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 20:54:08,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:54:08 BoogieIcfgContainer [2023-12-02 20:54:08,773 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:54:08,773 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 20:54:08,774 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 20:54:08,781 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 20:54:08,781 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:54:08" (1/1) ... [2023-12-02 20:54:08,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:54:08,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:08,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 58 states and 61 transitions. [2023-12-02 20:54:08,839 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2023-12-02 20:54:08,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 20:54:08,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:08,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:09,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:54:09,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:09,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 60 states and 63 transitions. [2023-12-02 20:54:09,059 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2023-12-02 20:54:09,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 20:54:09,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:09,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:09,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:54:09,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:09,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 61 states and 64 transitions. [2023-12-02 20:54:09,121 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2023-12-02 20:54:09,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 20:54:09,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:09,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:09,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 20:54:09,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:54:09,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:54:09,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:09,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 66 states and 72 transitions. [2023-12-02 20:54:09,307 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2023-12-02 20:54:09,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 20:54:09,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:09,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:09,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 20:54:09,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:54:09,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:54:09,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:09,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 67 states and 73 transitions. [2023-12-02 20:54:09,473 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 73 transitions. [2023-12-02 20:54:09,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 20:54:09,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:09,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:09,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 20:54:09,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:54:09,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:54:09,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:09,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 68 states and 74 transitions. [2023-12-02 20:54:09,519 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 74 transitions. [2023-12-02 20:54:09,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 20:54:09,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:09,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:09,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 20:54:09,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:54:09,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:54:09,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:09,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 69 states and 75 transitions. [2023-12-02 20:54:09,579 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 75 transitions. [2023-12-02 20:54:09,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 20:54:09,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:09,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:09,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 20:54:09,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:54:09,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:54:09,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:09,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 70 states and 77 transitions. [2023-12-02 20:54:09,736 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 77 transitions. [2023-12-02 20:54:09,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 20:54:09,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:09,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:09,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:54:09,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:54:09,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:54:10,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:10,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 79 states and 88 transitions. [2023-12-02 20:54:10,343 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 88 transitions. [2023-12-02 20:54:10,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 20:54:10,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:10,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:10,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:54:10,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:54:10,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:54:11,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:11,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 89 states and 101 transitions. [2023-12-02 20:54:11,257 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 101 transitions. [2023-12-02 20:54:11,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 20:54:11,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:11,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:11,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 20:54:11,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:54:11,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:54:11,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:11,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 90 states and 103 transitions. [2023-12-02 20:54:11,550 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2023-12-02 20:54:11,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 20:54:11,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:11,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:11,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:54:11,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:54:11,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:54:11,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:11,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 92 states and 106 transitions. [2023-12-02 20:54:11,761 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 106 transitions. [2023-12-02 20:54:11,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 20:54:11,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:11,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:11,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 20:54:11,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:54:11,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:54:12,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:12,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 98 states and 117 transitions. [2023-12-02 20:54:12,166 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 117 transitions. [2023-12-02 20:54:12,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 20:54:12,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:12,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:12,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 20:54:12,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:54:12,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:54:13,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:13,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 113 states and 140 transitions. [2023-12-02 20:54:13,475 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 140 transitions. [2023-12-02 20:54:13,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 20:54:13,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:13,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:13,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 20:54:13,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:54:13,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:54:13,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:13,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 114 states and 141 transitions. [2023-12-02 20:54:13,536 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 141 transitions. [2023-12-02 20:54:13,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 20:54:13,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:13,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:13,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:13,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 20:54:13,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:54:13,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:54:14,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:54:14,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 130 states and 165 transitions. [2023-12-02 20:54:14,972 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 165 transitions. [2023-12-02 20:54:14,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 20:54:14,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:54:14,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:54:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:54:14,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 20:54:14,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:54:25,179 WARN L876 $PredicateComparison]: unable to prove that (or (< 0 (+ |c_ULTIMATE.start_main_~x~0#1| 9223372034707292161)) (exists ((v_z_1 Int)) (and (<= v_z_1 4294967295) (exists ((|v_ULTIMATE.start_main_~x~0#1_53| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~x~0#1_53| v_z_1))) (and (<= |v_ULTIMATE.start_main_~x~0#1_53| (+ .cse0 9223372036854775808)) (<= .cse0 (+ |v_ULTIMATE.start_main_~x~0#1_53| |c_ULTIMATE.start_main_~x~0#1|))))) (<= 1 v_z_1)))) is different from true [2023-12-02 20:54:25,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:56:28,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:56:28,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 131 states and 168 transitions. [2023-12-02 20:56:28,484 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 168 transitions. [2023-12-02 20:56:28,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 20:56:28,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:56:28,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:56:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:56:28,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 20:56:28,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:56:38,576 WARN L876 $PredicateComparison]: unable to prove that (or (< 0 (+ |c_ULTIMATE.start_main_~x~0#1| 9223372034707292161)) (exists ((v_z_4 Int)) (and (exists ((|v_ULTIMATE.start_main_~x~0#1_54| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~x~0#1_54| v_z_4))) (and (<= |v_ULTIMATE.start_main_~x~0#1_54| (+ .cse0 9223372036854775808)) (<= .cse0 (+ |v_ULTIMATE.start_main_~x~0#1_54| |c_ULTIMATE.start_main_~x~0#1|))))) (<= v_z_4 4294967295) (<= 1 v_z_4)))) is different from true [2023-12-02 20:56:38,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:00:06,362 WARN L293 SmtUtils]: Spent 17.14s on a formula simplification. DAG size of input: 23 DAG size of output: 18 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:00:16,365 WARN L854 $PredicateComparison]: unable to prove that (and (not (exists ((v_z_4 Int)) (and (exists ((|v_ULTIMATE.start_main_~x~0#1_54| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~x~0#1_54| v_z_4))) (and (<= |v_ULTIMATE.start_main_~x~0#1_54| (+ .cse0 9223372036854775808)) (<= .cse0 (+ |v_ULTIMATE.start_main_~x~0#1_54| |c_ULTIMATE.start_main_~x~0#1|))))) (<= v_z_4 4294967295) (<= 1 v_z_4)))) (or (< 0 (+ |c_ULTIMATE.start_main_~x~0#1| 9223372034707292161)) (exists ((v_z_1 Int)) (and (<= v_z_1 4294967295) (exists ((|v_ULTIMATE.start_main_~x~0#1_53| Int)) (let ((.cse1 (* |v_ULTIMATE.start_main_~x~0#1_53| v_z_1))) (and (<= |v_ULTIMATE.start_main_~x~0#1_53| (+ .cse1 9223372036854775808)) (<= .cse1 (+ |v_ULTIMATE.start_main_~x~0#1_53| |c_ULTIMATE.start_main_~x~0#1|))))) (<= 1 v_z_1))))) is different from false [2023-12-02 21:00:19,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:00:19,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 131 states and 167 transitions. [2023-12-02 21:00:19,547 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 167 transitions. [2023-12-02 21:00:19,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:00:19,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:00:19,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:00:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:00:19,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:00:19,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:00:20,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:00:55,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:00:55,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 134 states and 172 transitions. [2023-12-02 21:00:55,945 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 172 transitions. [2023-12-02 21:00:55,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:00:55,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:00:55,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:00:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:00:55,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:00:55,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:00:56,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:01:07,874 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:01:12,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:01:12,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 136 states and 175 transitions. [2023-12-02 21:01:12,855 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 175 transitions. [2023-12-02 21:01:12,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:01:12,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:01:12,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:01:12,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:12,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:01:12,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:01:16,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:02:02,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:02:02,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 140 states and 181 transitions. [2023-12-02 21:02:02,329 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 181 transitions. [2023-12-02 21:02:02,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:02:02,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:02:02,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:02:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:02,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:02:02,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:02:27,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:02:41,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:02:41,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 145 states and 192 transitions. [2023-12-02 21:02:41,528 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 192 transitions. [2023-12-02 21:02:41,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:02:41,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:02:41,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:02:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:41,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:02:41,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:02:41,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:02:41,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:02:41,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 144 states and 191 transitions. [2023-12-02 21:02:41,623 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 191 transitions. [2023-12-02 21:02:41,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:02:41,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:02:41,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:02:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:41,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:02:41,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:02:49,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:03:04,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:03:04,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 147 states and 197 transitions. [2023-12-02 21:03:04,343 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 197 transitions. [2023-12-02 21:03:04,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:03:04,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:03:04,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:03:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:04,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:03:04,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:03:13,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:06:01,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:06:01,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 157 states and 210 transitions. [2023-12-02 21:06:01,235 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 210 transitions. [2023-12-02 21:06:01,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:06:01,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:06:01,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:06:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:01,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:06:01,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:06:19,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:08:37,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:37,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 165 states and 222 transitions. [2023-12-02 21:08:37,630 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 222 transitions. [2023-12-02 21:08:37,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:08:37,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:37,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:08:37,845 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:08:38,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:08:38,320 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 26 iterations. [2023-12-02 21:08:38,343 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-12-02 21:08:38,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:08:38 ImpRootNode [2023-12-02 21:08:38,351 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:08:38,351 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:08:38,351 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:08:38,351 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:08:38,352 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:54:08" (3/4) ... [2023-12-02 21:08:38,352 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-02 21:08:38,358 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-12-02 21:08:38,392 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4d4207-85fb-4226-9a6c-154d0f9ddf64/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 21:08:38,392 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:08:38,393 INFO L158 Benchmark]: Toolchain (without parser) took 870336.42ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 122.6MB in the beginning and 162.2MB in the end (delta: -39.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:08:38,393 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 115.3MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:08:38,394 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.33ms. Allocated memory is still 172.0MB. Free memory was 122.6MB in the beginning and 112.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 21:08:38,394 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.65ms. Allocated memory is still 172.0MB. Free memory was 112.1MB in the beginning and 110.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:08:38,395 INFO L158 Benchmark]: Boogie Preprocessor took 23.95ms. Allocated memory is still 172.0MB. Free memory was 110.0MB in the beginning and 108.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:08:38,395 INFO L158 Benchmark]: RCFGBuilder took 410.91ms. Allocated memory is still 172.0MB. Free memory was 108.9MB in the beginning and 139.8MB in the end (delta: -30.9MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2023-12-02 21:08:38,396 INFO L158 Benchmark]: CodeCheck took 869577.31ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 139.8MB in the beginning and 164.2MB in the end (delta: -24.4MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2023-12-02 21:08:38,396 INFO L158 Benchmark]: Witness Printer took 41.17ms. Allocated memory is still 207.6MB. Free memory was 164.2MB in the beginning and 162.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:08:38,399 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 58 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 869.5s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2657 SdHoareTripleChecker+Valid, 17.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2162 mSDsluCounter, 542 SdHoareTripleChecker+Invalid, 15.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 62 IncrementalHoareTripleChecker+Unchecked, 184 mSDsCounter, 616 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6176 IncrementalHoareTripleChecker+Invalid, 6854 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 616 mSolverCounterUnsat, 358 mSDtfsCounter, 6176 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3277 GetRequests, 2897 SyntacticMatches, 134 SemanticMatches, 246 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 36826 ImplicationChecksByTransitivity, 863.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 86.8s InterpolantComputationTime, 404 NumberOfCodeBlocks, 404 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 354 ConstructedInterpolants, 5 QuantifiedInterpolants, 2133 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1177 ConjunctsInSsa, 85 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 41]: integer overflow possible integer overflow possible We found a FailurePath: [L22] int counter = 0; [L24] unsigned int z, k; [L25] long long x, y, c; [L26] z = __VERIFIER_nondet_uint() [L27] k = __VERIFIER_nondet_uint() [L29] x = 1 [L30] y = z [L31] c = 1 VAL [c=1, counter=0, x=1, y=3221225466, z=3221225466] [L33] EXPR counter++ VAL [c=1, counter=1, x=1, y=3221225466, z=3221225466] [L33] COND TRUE counter++<1 [L34] EXPR x*z VAL [c=1, counter=1, x=1, y=3221225466, z=3221225466] [L34] EXPR x*z - x VAL [c=1, counter=1, x=1, y=3221225466, z=3221225466] [L34] EXPR x*z - x - y VAL [c=1, counter=1, x=1, y=3221225466, z=3221225466] [L34] EXPR x*z - x - y + 1 VAL [c=1, counter=1, x=1, y=3221225466, z=3221225466] [L34] CALL __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [counter=1] [L16] COND FALSE !(!(cond)) [L34] RET __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [c=1, counter=1, x=1, y=3221225466, z=3221225466] [L36] COND FALSE !(!(c < k)) VAL [c=1, counter=1, k=-4294967294, x=1, y=3221225466, z=3221225466] [L39] EXPR c + 1 [L39] c = c + 1 VAL [c=2, counter=1, k=-4294967294, x=1, y=3221225466, z=3221225466] [L40] EXPR x * z VAL [c=2, counter=1, k=-4294967294, x=1, y=3221225466, z=3221225466] [L40] EXPR x * z + 1 [L40] x = x * z + 1 VAL [c=2, counter=1, k=-4294967294, x=3221225467, y=3221225466, z=3221225466] [L41] y * z VAL [c=2, counter=1, k=-4294967294, x=3221225467, y=3221225466, z=3221225466] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 115.3MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.33ms. Allocated memory is still 172.0MB. Free memory was 122.6MB in the beginning and 112.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.65ms. Allocated memory is still 172.0MB. Free memory was 112.1MB in the beginning and 110.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.95ms. Allocated memory is still 172.0MB. Free memory was 110.0MB in the beginning and 108.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 410.91ms. Allocated memory is still 172.0MB. Free memory was 108.9MB in the beginning and 139.8MB in the end (delta: -30.9MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * CodeCheck took 869577.31ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 139.8MB in the beginning and 164.2MB in the end (delta: -24.4MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Witness Printer took 41.17ms. Allocated memory is still 207.6MB. Free memory was 164.2MB in the beginning and 162.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-12-02 21:08:38,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db4d4207-85fb-4226-9a6c-154d0f9ddf64/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)